Reviews High frequency Positive Pressure Device

DC 5-12V/15-160V Stepper Motor Drive,PWM Adjustable Stepper Motor Controller Signal Generator Speed Regulator

  • Power supply: 15-160VDC or 5-12VDC. If you are using 5-12VDC power, positive end connect DC 5-12V Input, negative end connect Common Cathode End..
  • 3 Frequency: High: 5.8KHZ-127KHZ, Mid: 590HZ-15.8KHZ, Low: 82HZ-2.3KHZ.
  • To control the stepper motor, mus connect to the driver.
  • PUL + and PUL- pulsed positive and negative.
  • EN + and EN- is to enable the positive and negative terminals.
  • DIR + and DIR- are the positive and negative directions..
  • Frequency of measurement can amount PUL and common cathode terminal (GND) two ports..
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Manometer, 12 Selectable Units Differential Pressure Gauge, Dual-Port Manometer Gas Pressure Tester, Digital Pressure Gauge with Backlight, Professional Air Pressure Meter, Handheld HVAC Manometer

  • 【Differential Pressure Gauge with 12 Selectable Units】The length of the two hoses in the gas pressure gauge set is 25cm.
  • The thread size of the barb metal connector is 1/8 inch.
  • 12 optional units (mmHg, inHg, ftH₂O, cmH₂O, inH₂O, Pa, KPa, mbar, bar, psi, Kgcm² and ozin²).
  • 【Manometer for Measuring Positive and Negative Pressure】There are two ports on the top of the differential pressure meter, one for testing positive pressure and the other for testing negative pressure. You can select any port to test the pressure difference (P1-P2) between the two areas. Using the single pipe connector of the air pressure meter, you can quickly measure the current pressure value (relative to the current atmospheric pressure)..
  • 【Digital Manometer with Data Recording & Holding Function】Gas manometer data storage: 100 groups.
  • the user-friendly design of the manometer gas pressure tester recording test data function is convenient for users to view after testing.
  • automatic shutdown: no operation after about 15 minutes.
  • low battery reminder: ≤6.8V 【Note】Battery: 1* 6F22, 9V, 250mAh (not included in the package).
  • 【Manometer Gas Pressure Tester with Data Zero Function】The "return to zero" function of the manometer gauge data is easy to opera....
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KWD808-I Electric Acupuncture Stimulator Machine Output Patch Massager Care Acupuncture Stimulator Machine Massager Care 6 Output Patch 500-1000hpa

  • ▶【Electric Acupuncture Stimulator Machine】Adjustable frequency and intensity. Adjustable sensitivity probe point Locator. 6 outputs, plus 1 detection outlet..
  • ▶【Safe & Efficient Treatment】The device is very safe and efficient in treatment because of its output pulse. Waves featuring low voltage, low frequency and having the same frequency range as the body..
  • ▶【5 Types Pulse Waves】There are 5 types of pulse waves to be selected: Continuous wave, Dense-disperse wave, Intermittent wave, Ripple wave, Respiration wave..
  • ▶【Operating Output Protection】With the characteristics of low-pressure, low-frequency, bi-directional, Operating output protection device, particularly safe treatment..
  • ▶【Guarantee】This item will ship from USA,Your satisfaction is our ultimate goal. If there is any questions please feel free to contact with us, we will spare no effort to help you..
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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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Defendy Ultrasonic Rodent Repellent,Indoor Mice Repellent Plug-ins 360° Mouse Deterrent Blocker 4 Modes Ultrasound Humane Squirrel

  • ...ize, you can place this device in an unobstructed location to achieve the best driving effect. Note: You need to observe for 1-2 weeks to see the effect when using this device..
  • 【Safe And Easy To Use】 The indoor ultrasonic squirrel repellent adopts ultrasonic technology, without using any chemicals but just high-frequency sound waves which do not harm people or pets. Just plug the humane squirrel repellent into the socket of the AC100-240V outlet and it will start working. Mouse repellent naturally drives rodents out without killing or poisoning them. You will no longer need to clean out any mousetrap and dead rodents, no longer worry about getting germs during cleanup..
  • 【How Rat Repeller Works】 The mouse deterrent blocker is equipped with a transducer and dual speakers, adopts innovative frequency conversion technology, which can emit high impact pressure waves and 16KHz-35KHz changing ultrasonic sounds to disturb the central nervous systems of pests in your house. Indoor ultrasonic rodent repellent creates an unfriendly living environment for rodents then escape from the house, and discourage them from entering the protected area again in a long term..
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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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Garmin Sport PRO Bundle, Dog Training Collar and Handheld, 1handed Training of Up to 3 Dogs, Tone and Vibration

  • QUICK TURN DIAL - Quick turn dial on handheld with positive clicks when changing between 10 stimulation levels and controlling auxiliary functions and 1-HAND OPERATION Simple, intuitive, “no look” 1-hand operation.Control Method:Remote.Special Feature:easy to use,lightweight..
  • 4 TRAINING BUTTONS - 4 training buttons for continuous and momentary stimulation, vibration and tone.
  • TONE AND VIBRATION - Buttons on the handheld can activate tone signal and vibration control on the dog device. Dog Device-3.1 x 1.7 x 1.7 inches. Handheld- 4.4 ounce. Dog Device- 3.5 ounce.
  • BEACON LIGHTS - Remote control of LED beacon lights on the dog device for low light conditions.
  • visible up to 100 yards away and LED STATUS LIGHT LED status light for quick, at-a-glance read. Radio frequency- 27 MHz.
  • Includes:-Sport PRO handheld, dog device, 3/4” black collar strap polyurethane-coated nylon , AC adapter, split adapter cable, charging clip, contact point sets (long and short) with wrench, manual.
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Anti Spy Bug Detector | Professional RF Signal Detector | High Sensitive Spy Bug Sweeper | Search for GPS Tracker, Mobile Phones, Wi-Fi, 3G, 4G, GSM | i4 Technology BH-03 Expert | FCC and ICES

  • ...l lets you quickly locate hidden devices while telling you what kind of spy technology they are. Super fast processor gives you rapid results covering a much wider range of modern bugs. Lets you outsmart thieves, spies, pranking friends, suspicious spouse, nosy boss and many more..
  • DETECTS RF SIGNALS with a built-in Frequency Meter. This is the tell tale sign of a listening or camera device set to eavesdrop on your activities. Quickly locates these devices revealing their frequency band. Now you can enjoy worry-free privacy without the threat of detection..
  • INSTANTLY RECOGNIZES MOST FREQUENCY BANDS used by nearly all spy devices. Detects GPRS, EDGE, 3G/4G, DECT, DECT BASE, BLUETOOTH, WLAN, GPS, Wi-Fi. As soon as the device sends a signal to the spy, BH-03 Expert spots it. Great for scanning your hotel room, office, home, meeting room and vehicle. Lets you filter out unnessary (known) positive signals. Don’t leave home without it!.
  • DETECTS WIDER RANGE OF BUGS at 70dB sensitivity including those with very weak signals and those with especially high power. This gives you access to a much wider range of bugs than most other anti-spy devices. Detection range is up to 16 feet in all directions. When set to Security Mode, it warns you if a spy device appears....
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Respir-Boost - Lung Cleanse with Cordyceps - Supports Lungs and Respiratory System for Seasonal Comfort and Free Breathing- 10 Active Ingredients - 60

  • Trusted PEP Therapy - Positive Expiratory Pressure (PEP) therapy has been a trusted physiotherapy for decades. Now you can take advantage of PEP....
  • Relieves Mucus, Breathe Better - By vibrating to loosen the mucus off the airway and creating pressure to keep the airway open, the device helps clear....
  • Clears Lungs of Pollutants - The breathing exercise helps clears lungs of harmful pollutants and impurities. Take a full breath and feel the....
  • Stronger & Healthier Lungs: Long-term usage of this device can help strengthen your lungs through exercising the muscles of the airway walls..
  • Easy & Hassle-Free: Not only is it easy to use, the device requires no battery or refill. One purchase is all you need..
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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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