Reviews 4 Frequency Alarm System

Car Alarm System with Remote Control, Security Antitheft Alarm System 120dB 6 Tone 7-Level Sensitivity Sensor,Alarm Loudspeaker Universal 12V Vehicle Alarm Security Protection System

  • ...ables,no damage to original car circuit, the shock sensor and the air pressure sensor are wireless to siren..
  • 【DIY Install Car Alarm】5 minutes to DIY Install: just need connect the siren black / red cable to car battery positive and negative port, then connect the high frequency antenna to siren connector, find a location and fix siren around the wiper, installation done! Don't like the normal car alarm, no need send to the car service shop for professional install, cost effective..
  • 【2-way Pager Car Alarm】Built in air pressure sensor, when detect car door/window/trunk open illegally, the siren will alarm, and notify to LCD remote control.
  • built in vibration/motion sensor, when detect car vibration or motion, the siren will alarm and notify to LCD remote control also..
  • 【Long Distance Alarm】The high frequency antenna ensure the car alarm system can be valid for 1000 meters..
  • 【Universal Car Alarm】Universal for cars 12-15V power input, pls don't install it if more than 15V voltage. Please contact with us at any time if you need assistance during installation o....
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Guardline 500 Foot Range Wireless Driveway Alarm [4 Motion Detector Alarm Sensors & 1 Receiver] Weatherproof Outdoor Security Alert System for Home & Property

  • Security - Feel a sense of safety around your home with our weatherproof perimeter alarm set. It's sensitive to heat and motion during the day and at night, making it an alert system you can count on..
  • Easy to Install - No need to call in an expensive technician for this home security system. Our outdoor motion sensor alarm is a plug-and-play device that installs in minutes..
  • Long Range - With 4 motion sensors and 1 receiver, each driveway sensor also has a wireless range of up to 500 feet for plenty of coverage around your property..
  • Compatibility - This motion detector alarm unit runs at 915 MHz. If you are expanding your Guardline wireless alarm system, please make sure you are purchasing the same frequency as your existing set..
  • Customizable - Regardless of the size of your home and property, you can configure this system of motion detectors with a motion alarm sensor add on, or extra receivers for greater peace of mind..
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VJOYCAR Wireless Car Alarm 2-Way LCD Pager Remote Control DIY Install Universal Vehicle Anti-Theft Security Siren Horn System with Shock Vibration Window Door Trunk Open Alarm

  • ... many cables, no need cut any origianl car cables,no damage to original car circuit, the shock sensor and the air pressure sensor are wireless to siren..
  • 【DIY Install Car Alarm】5 minutes to DIY Install: just need connect the siren black / red cable to car battery positive and negative port, then connect the high frequency antenna to siren connector, find a location and fix siren around the wiper, installation done! Don't like the normal car alarm, no need send to the car service shop for professional install, cost effective..
  • 【2-way Pager Car Alarm】Built in air pressure sensor, when detect car door/window/trunk open illegally, the siren will alarm, and notify to LCD remote control.
  • built in vibration/motion sensor, when detect car vibration or motion, the siren will alarm and notify to LCD remote control also..
  • 【Long Distance Alarm】The high frequency antenna ensure the car alarm system can be valid for 1000 meters..
  • 【Universal Car Alarm】Universal for cars 12-15V power input, pls don't install it if more than 15V voltage. Please contact with us at any time if you need assistance during installation or usage..
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Guardline 1/4 Mile Range Wireless Driveway Alarm [2 Motion Detector Alarm Sensors & 1 Receiver] Weatherproof Outdoor Security Alert System for Home & Property

  • Security - Feel a sense of safety around your home with our weatherproof perimeter alarm set. It's sensitive to heat and motion during the day and at night, making it an alert system you can count on.
  • Easy to Install - No need to call in an expensive technician for this home security system. Our outdoor motion sensor alarm is a plug-and-play device that installs in minutes..
  • Long Range - With 2 motion sensors and 1 receiver, each driveway sensor also has a wireless range of up to 1/4 mile for plenty of coverage around your property..
  • Compatibility - This motion detector alarm unit runs at 915 MHz. If you are expanding your Guardline wireless alarm system, please make sure you are purchasing the same frequency as your existing set..
  • Customizable - Regardless of the size of your home and property, you can configure this system of motion detectors with a motion alarm sensor add on, or extra receivers for greater peace of mind..
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Guardline 1/4 Mile Range Wireless Driveway Alarm [1 Motion Detector Alarm Sensor & 1 Receiver] Weatherproof Outdoor Security Alert System for Home & Property

  • Security - Feel a sense of safety around your home with our weatherproof perimeter alarm set. It's sensitive to heat and motion during the day and at night, making it an alert system you can count on..
  • Easy to Install - No need to call in an expensive technician for this home security system. Our outdoor motion sensor alarm is a plug-and-play device that installs in minutes..
  • Long Range - With 1 motion sensor and 1 receiver, each driveway sensor also has a wireless range of up to 1/4 mile for plenty of coverage around your property..
  • Compatibility - This motion detector alarm unit runs at 915 MHz. If you are expanding your Guardline wireless alarm system, please make sure you are purchasing the same frequency as your existing set..
  • Customizable - Regardless of the size of your home and property, you can configure this system of motion detectors with a motion alarm sensor add on, or extra receivers for greater peace of mind..
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Car Horn Siren Alarm,Universal Car Alarm Security Protection System with 2 Remote Controls,7-Level Sensitivity,12v,Anti-Theft Device,No Thread Trimmin,Non-Destructive Installation (CW-8131)

  • ...ables,no damage to original car circuit, the shock sensor and the air pressure sensor are wireless to siren..
  • 【DIY Install Car Alarm】5 minutes to DIY Install: just need connect the siren black / red cable to car battery positive and negative port, then connect the high frequency antenna to siren connector, find a location and fix siren around the wiper, installation done! Don't like the normal car alarm, no need send to the car service shop for professional install, cost effective..
  • 【2-way Pager Car Alarm】Built in air pressure sensor, when detect car door/window/trunk open illegally, the siren will alarm, and notify to LCD remote control.
  • built in vibration/motion sensor, when detect car vibration or motion, the siren will alarm and notify to LCD remote control also..
  • 【Long Distance Alarm】The high frequency antenna ensure the car alarm system can be valid for 1000 meters..
  • 【Universal Car Alarm】Universal for cars 12-15V power input, pls don't install it if more than 15V voltage. Please contact with us at any time if you need assistance during installation o....
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Guardline 500 Foot Long Range Driveway Wireless Alarm [1 Sensor] - Outdoor Weather Resistant Motion Sensor & Detector-Security Alert System - Monitor & Protect Outside Property

  • Compatible: Extra sensor is only compatible with the 500 ft Guardline driveway motion sensor alarm system. This sensor runs at 915 MHz. Please make sure you are purchasing the same frequency as your existing set..
  • Security: The wireless driveway alarm system is sensitive to both heat and motion, during the day or at night, and constructed to be weatherproof. Regardless of conditions you will always be able to rely on it and feel a sense of safety..
  • Easy To Install: Can easily be added to your existing Guardline home security system. There is no need to disrupt your existing system. Simply add the extra sensor. Installation Tip: Do not point perimeter alarm sensor toward sun..
  • Customizable: Regardless of the size of your home and property, you can customize the wireless alarm system with a motion sensor add on for greater peace of mind. Add up to 16 sensors. Note: 500 ft model is not compatible with 1/4 mile model..
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Serene Innovations Centralalert Notification System Ca360h Vibrating Alarm Clock/receiver with Hanging Door Knock Sensor for Deaf or Hearing Loss Impaired Disabled

  • CA360 Vibrating Clock Receiver Features: An unlimited number of CentralAlert CA360 system can be used in close proximity, such as in apartment buildings or hotels Alerts to alarm clock, doorbell, door knocks, phone/fax, audio alarm, baby, weather, motion and more (sold separately).
  • Supports up to 4 CA-DB doorbells and CA-DX door knock sensors (in any combination) Supports up to 10 CA-RX remote receivers, 10 CA-PX personal pagers, 10 CA-AX audio sensors, 4 CA-SOS emergency SOS pendants, 3 CA-BX baby cry sensors, 1 CA-CX phone sensor and 1 CA-NOAA weather alert sensor Alarm clock has adjustable brightness display, dual alarm settings and dual bed shaker jacks (one bed shaker included).
  • 1.25" bright clock display Adjustable loud audio sound and bright flasher Big and easy to see alerting icons 2.4GHz frequency.
  • Uses 520Hz square-wave technology for maximum audio alert, found to be more effective in alerting people with hearing loss Up to 200 ft operating range Dimensions: 6.5" x 4.5" x 2.25" Battery backup 4 AA NiMH (batteries not included).
  • CA-DXH Door Knock Sensor Features: 2.4GHz operating frequency Up to 210 ft operating range Uses 2 AA alkaline batteries (not included) Dimensions: 2.5" x 3.8" x 1" * Accessories sold separately..
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Welding Machine 28KHz TBVECHI Handheld Ultrasonic Spot Welder Plastic Welding Machine Portable for ABS/PP/PE

  • 【Ultrasonic Spot Welder】28KHz TBVECHI Handheld Ultrasonic Spot Welder Plastic Welding Machine Portable for ABS/PP/PE. Equipped with super folding gray industrial-grade cable cable connecting line with soft folding resistance..
  • 【Description】The machine can use in high frequency electronic system will be converted to high-frequency mechanical vibration, through welding mold to the plastic body, make the plastic joint face sharp friction melt, caused the plastic body joint surface between "plastic flow of material, instantaneous agglutination process..
  • 【Features】Novel portable structure design, quick and convenient operation and movement. Handgrip operation, flexible and practical, simple operation. Automatic tracking system, no manual tuning frequency automatic tracking frequency..
  • 【Useful】Unique appearance design, all-steel shell, all-aluminum heat dissipation, thin film panel, plastic spraying treatment. Time setting, overload alarm, frequency deviation alarm, frequency current display LCD display at a glance. Strong power, up to 700W, can be continuous or pulse work, in particular, suitable for 1-15mm melting point is used..
  • 【Guaranteed】This item will ship from USA, delivery time need about 5-8 days. If there is any questions please ....
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Guardline 500 Foot Range Wireless Driveway Alarm [2 Motion Detector Alarm Sensors & 1 Receiver] Weatherproof Outdoor Security Alert System for Home & Property

  • Security - Feel a sense of safety around your home with our weatherproof perimeter alarm set. It's sensitive to heat and motion during the day and at night, making it an alert system you can count on..
  • Easy to Install - No need to call in an expensive technician for this home security system. Our outdoor motion sensor alarm is a plug-and-play device that installs in minutes..
  • Long Range - With 2 motion sensors and 1 receiver, each driveway sensor also has a wireless range of up to 500 feet for plenty of coverage around your property..
  • Compatibility - This motion detector alarm unit runs at 915 MHz. If you are expanding your Guardline wireless alarm system, please make sure you are purchasing the same frequency as your existing set..
  • Customizable - Regardless of the size of your home and property, you can configure this system of motion detectors with a motion alarm sensor add on, or extra receivers for greater peace of mind..
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