Reviews Long Range Monitoring

V TELESKY 5 Pack 6.6Ft DS18B20 Waterproof Temperature Sensor with Digital Thermal Stainless Steel Tube Probe

  • High Quality: The probe adopts imported DS18B20 temperature sensor chip, each pin of the chip is separated by a heat shrink tube to prevent short circuit, internal sealing glue, waterproof and moisture-proof..
  • Temperature Range: -55°C〜+125°C （The lead can only withstand a high temperature of about 85°C）,within the range of -10℃～+85℃, the accuracy is ±0.5℃..
  • Output Lead: red (VCC), yellow (DATA), black (GND).
  • Application Scope: temperature monitoring of cold storage, telecommunications room monitoring, environmental monitoring, air conditioning monitoring, household refrigerators, etc..
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ICP DAS GTM-201P-3GWA Industrial Tri-Band 3G/GSM/GPRS WCDMA Cellular Modem with GPS Function

  • Applications:Remote Data Monitoring and Control, Water, gas and oil flow metering and schedule, Power station monitoring and control, Oil field, weather forecast, environmental protection, street lamp monitoring and control, Fleet management, Vending Machine, etc..
  • Industrial design, making it a reliable cellular solution for data collection and transmission.
  • Reliable GSM/GPRS/EDGE/UMTS/HSPA network connectivity, providing fast and cost-effective long-range wireless applications.
  • Quad-band GSM/GPRS/EDGE 850/900/1800/1900 MHz.
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3.5 inch Digital Doorbell LCD 120 Degree Eye Electronic Peephole Doorbell Color IR Camera Door Viewer Powered by 4Pcsx AAA Batteries not Included

  • Wide Angle Monitoring:Designed with 2 Mega CMOS Sensor,makes 120 degree actual viewing angle be possible.the doorbell shipped out from california or Texas so that the delivery won't takes too long!.
  • EASY TO USE:Come with parts for easy install,short press to turn on/long press to turn off.Replace the battery without dismantling the host and the Peephole,24 hours monitoring.
  • Larger Screen & Clear Image:The Door video bell adopt OV Industrial Color Image Sensor 3.5-inch LCD color screen,which ensure clear picture display.
  • Size:Door Hole Range: 14-28mm/Door thickness range: 35-100mm/Inside device size: Aprrox.120x62x20mm/Diameter (camera outdoors):Approx. 30mm.
  • Package content: 1 x Door Digital Doorbell(Outdoor Unit+Inner Unit)+3 x pair of screw+1 x metal holder!.
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EVTSCAN Latest DPA51CM44 3-Phase Monitoring Relay, Current/Voltage Monitoring Relay Phase Sequence Protector for Three-Phase System, Without Neutral, Phase Loss, 208-480VAC

  • ✈ PRODUCT NAME---Voltage Monitoring Relay.
  • Protection function: over voltage, under voltage.
  • Contact capacity: 6A 250VAC (resistivity).
  • ✈ REAL-TIME MONITORING---The voltage monitoring relay could achieve real-time monitoring of dc overvoltage and undervoltage faults, and over-voltage, under-voltage value, and action time can be adjusted.
  • ✈ MAIN FEATURES---The voltage monitoring relay is of 2 sets of normally open and normally closed contacts, 2 indicator lights indicate various working conditions, no additional auxiliary power supply is required.
  • ✈ 35MM GUIDE RAIL---With 35mm guide rail and standard modular structure, the voltage monitoring relay is easy to install, easy to operate.
  • ✈ TYPICAL APPLICATIONS---The voltage monitoring relay is typically applied in dc motor, battery,UPS power supply, dc switchgear, dc panel, industrial control system.
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Voltage Monitoring Relay DC 12V/24V/36V/48V Over-Voltage and Under-Voltage Protection Relay 35MM Guide Rail 13-17V 10-14V DC48V

  • Protection function: over voltage, under voltage.
  • Contact capacity: 6A 250VAC (resistivity).
  • REAL-TIME MONITORING---The voltage monitoring relay could achieve real-time monitoring of dc overvoltage and undervoltage faults, and over-voltage, under-voltage value, and action time can be adjusted.
  • MAIN FEATURES---The voltage monitoring relay is of 2 sets of normally open and normally closed contacts, 2 indicator lights indicate various working conditions, no additional auxiliary power supply is required.
  • 35MM GUIDE RAIL---With 35mm guide rail and standard modular structure, the voltage monitoring relay is easy to install, easy to operate.
  • TYPICAL APPLICATIONS---The voltage monitoring relay is typically applied in dc motor, battery,UPS power supply, dc switchgear, dc panel, industrial control system.
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WINTECH Door Viewer Brass UL Listed Fire Proof 180-degree with Heavy Duty Privacy Cover for 1-3/8\ to 2-4/11\ Doors, Brushed Nickel Finish US15

  • Wide Angle Monitoring:Designed with 2 Mega CMOS Sensor,makes 120 degree actual viewing angle be possible.the doorbell shipped out from california or Texas so that the delivery won't takes too long!.
  • EASY TO USE:Come with parts for easy install,short press to turn on/long press to turn off.Replace the battery without dismantling the host and the Peephole,24 hours monitoring.
  • Larger Screen & Clear Image:The Door video bell adopt OV Industrial Color Image Sensor 3.5-inch LCD color screen,which ensure clear picture display.
  • Size:Door Hole Range: 14-28mm/Door thickness range: 35-100mm/Inside device size: Aprrox.120x62x20mm/Diameter (camera outdoors):Approx. 30mm.
  • Package content: 1 x Door Digital Doorbell(Outdoor Unit+Inner Unit)+3 x pair of screw+1 x metal holder!.
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Haloview RD7 Wireless Long Range Backup Camera System kit 7'' 720P HD Digital Monitor Built in DVR Rear View Observation Reverse Camera for Truck/Trailer/Bus/RV/Pickups/Camper

  • 7" LCD digital monitor, Built-in recorder. Real time recording, video playback.
  • Integrated Frequency Hopping Technology avoid Interference. No signal dropping or freezing at speeds up to 70mph.
  • 10-32V wide voltage input, Support 4 wireless camera input,130° wide viewing angle, Wireless Line of Sight Range Up to 1200 feet.
  • Wireless rear view monitoring system with external range extender, getting rid of any obstacle with enhanced signal range up to 1200ft, RD7 is primarily designed for long length vehicles, such as RV, Fifth Wheel, Travel Trailer, Motorhome and Camper, etc..
  • You can mount the camera on everything equipped with a power port and that runs on 10V-32V. The wireless rear view monitoring system comes with an external extension cable and TX-box, this enables it to reach the longest distance possible..
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Wireless Bridge Point-to-Point Long Range Wireless Access with 20DBi High-Gain Antenna, 2.4G WiFi Bridge Supports 1640 feet Outdoor Transmission Distance, Used for Video Surveillance

  • Wireless Bridge Point-to-Point uses wireless communication technology to transmit network data using air as a medium to carry out long-distance point-to-point or point-to-multi point interconnection. It can extend the network to another building, and it can also extend your monitoring range..
  • Wireless bridge transmission and reception is automatic networking, no need for you to perform tedious configuration operations. Support point-to-point, point-to-multi point, transmission/receiver flexible switching. Operating in the 902MHz-928MHz frequency band, with strong penetration and diffraction capabilities..
  • Wireless Ethernet bridge is transmitted by infrared has excellent performance. Indoor use can achieve signal transmission through 4 walls, with a transmission distance of 492 feet. Outdoor use can achieve long-distance transmission up to 1640 feet. Suitable for inconvenient long-distance layout of network cables, ideal for farms, wharf, garden, car park, etc..
  • Connect one of the wireless bridges to the IP camera and the other to your computer for long distance monitoring without the need for long distance wiring or additional routers. Make long-distance wireless coverage, data transmission and wireless monitoring easy and professional. It meets many sc....
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KapscoMoto 2 Way Motorcycle Alarm Pager Remote Engine Start Compatible with Harley Davidson Street Glide

  • THIS ALARM HAS THE MOST FEATURES ON THE MARKET !!.
  • Two way range over 3500 meters - Super long range monitoring.
  • Manual and Timer Controlled Remote Engine Starter.
  • Brand: Kapsco Moto� | UNIVERSAL: WILL FIT ALL MOTORCYCLES !!.
  • Compatible with Harley Davidson Street Glide.
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Anleon S2 Wireless Stereo in Ear Monitor System for Recording Studio Stage Audio Monitoring 561-568Mhz (1 Transmitter 3 receivers)

  • UHF frequency range with 6 selectable channels（561-568MHZ）.
  • One transmitter can be operated with multiple receivers within the operating range.
  • Complex anti-interference circuit for using 6 sets at the same time without mutual.
  • For recording studio and on stage monitoring.
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