433mhz wireless gas leakage

Description: The gas leakage alarm is suitable for the place where coal gas/natural gas/liquid petroleum gas exists.This product has the characteristic of high sensitivity, high stability, multi-gas detectable, small cubage, easy to install and can use backup battery. Features: Alarm density reaches: Coal gas: 2000ppm+/- 30%, natural gas: 2000ppm+/-30%, Liquid petroleum gas: 5000ppm+/-30% Working mode: independent & compatible mode Siren:>90db Specification: Working voltage: AC 220V Power consumption: static≤10 mA alarm≤15 mA Alarm Range: natural gas 3%~15%LEL Response time: Alarm sound: >75Db(right ahead 1m) Installation style: wall mounted Gas sensor: life span 3 years Humidity Range: 10%~95% RH Air pressure: 86~106Kpa Emission frequency:433 MHZ Oscillation resistance:330k Code form:1527 Emission distance: ≥100m (in open air) Backup battery: 9V alkaline Coding way: button alarm coding(After self-testing, press the button to emit 433MHZ signal) How does it work? 1.When the flammable gas density reaches to response setting value of density in its surrounding environment, the alarm can give out alarm signal of sound, light and networking. 2.In the alarm state, the ambient concentration of combustible gas down to the rated value, the alarm can be automatically restored to normal monitoring state. 3.It has red, yellow, green three state indicator lights and one built-in buzzer, show the following three kinds of states separately: Green indicator lights up, the power supply operates normally, and in the state of monitoring; Yellow indicator lights up with the sound of the buzzer, alarm faults(mainly on sensor); Red indicator lights up, with the buzzer noise and networking output, indicate the alarm is in alarm state. Green indicator turn off, yellow indicator flash one time every 30 seconds, means 220V AC power off and using 9V backup battery(when battery voltage lower than 8.2V it will alarm, yellow indicator flash and buzzer sound) Package includeds: 1 x Gas Detector 1 x User Manual Details pictures:

Buy 2Pcs EWeLink 433MHz Wireless Water Leakage Sensor Water Leak Intrusion Detector Alert Water for R382.06

433MHz Wireless Door Magnetic Contact Sensor For Home Security Package weight: 0.04 kg Description: 433MHz Wireless Door Magnetic Contact Sensor For Home Security This door magnetic contact applies widely to works, banks, stores, warehouses, offices and homestead, thanks to its kinds of protection abilities like anti-theft, anti-robbery, fire prevention, gas leakage protection and most importantly, emergency calls. Operating volt: DC12V Operating current: 8~15mA Quiescent current: 3uA Operating frequency: 433MHZ Transmiting distance: 100 meter in the open area. Installation: less than 15mm between two part. Modulation Mode: ASK Operating Temp: -20~+60 Color: white Size: 71*36*15mm Packing included: 1 x 433MHz Wireless Door Magnetic Contact Details Pictures: Click here for more deals 433MHz Wireless Door Magnetic Contact Sensor For Home Security 433MHz Wireless Door Magnetic Contact Sensor For Home Security

  Advantages of this system: Your alarm will tell you when and where your alarm is triggered via sms or call, therefor expensive monthly monitoring costs by an external security company is not necessary, you monitor yourself. When the alarm calls you to notify an intrusion you can listen to hear what is going on by simply pressing a button You can even communicate via the alarm panel to the intruders and let them know what you think of them! You can activate the system from your keypad, remote control, cell phone or landline. There is no need for security companies to know when your alarm is triggered! You can monitor the alarm yourself. No high installation fees (often installation cost more than you pay for this unit!) You can add sensors to the alarm system any time you want. Even every month. And none of your settings have to be changed; you just add the additional sensor. Advanced sensor technology to prevent false alarms Remote control to arm, disarm, panic button, stay at home arm (set certain zones not to be active while at home like your bedroom) Control unit includes keypad for easy programming and control 99 Wireless zones + 7 wired zones 100m range between sensors and panel! Very loud siren - 110 decibels Any 433Mhz sensors can be added to this system like gas leak sensors, smoke sensors, pet friendly sensors, outside beams etc When you move house you take the alarm with you and set it up at the new house. No need to change your settings! Kit contains: 1 Main panel with keypad and built-in GSM module 3 wireless PIR (motion) detector 1 Sound bomb siren, 2 Wireless door detector, 4 Remote controllers, 1 Built-in backup battery, 1 AC/DC Adapter, 1 User manual.

​ Description Display: None Brand Name: KERUI Feature: None Power: Electric Supply Item Type: Wireless Doorbell Communication Interface: Wireless Alarm: No Itercom: No The wireless doorbell adopt advance wireless receiving and dispatching technology, powerful microcomputer control system, high capacity and superior voice processing technology, up to 32 songs with reliable and stable performance. Doorbell and transmitter connect via wireless learning code, with the function of doorbell, burglar alarm and welcome alarm which suitable for various occasions: like villa, club, leisure center, store, hotel, home, office and meeting room etc. 1) Support multiple doorbell transmitter, suitable for large villa 2) 32 songs optional 3) Waterproof touch doorbell button 4) Doorbell, alarm, welcome alarm all in one 5) Learn 30 accessories (Doorbell transmitter, detector, remote control), without losing number upon power failure 6) Support accessories of 1527/2262 encoding  7) 4 levels adjustable volume Waterproof touch doorbell button F52 doorbell button waterproof level is up to IP66,you can put it on the outdoor wall.And low power consumption, it can use about one year if press average 10 times a day. Easy to install Just plug the receiver into power socket and attach the transmitter on door, you don't even necessarily have to make holes or damage anything. 32 songs optional 32 ringtones for your option,you can select regularly,and don't feel bored.Avoid the same ring with the neighbors. Strong signal,150m long distance Transmission Long operating range can be up to 500ft(150m) in open space, great for large house including villas, apartment, offices, shops, warehouses, etc. Compatible with alam sensors & detectors  One transmitter can pair with several(max 30) receivers, and one receiver can pair with several(max 30) transmitters. Customize your doorbell according to your need. 1. Working Voltage: AC 100-240V 2. Working Current: 3. Wireless Frequency: 433 MHz 4. Working Temperature: -10-50 degree centigrade 5. Wireless Distance: 150 meters (Open area)     Frequency: 433Mhz Operation  Current:8~15mA Quiescent Current:3uA Operation  Temp:-10C~50C;Humidity:no more than 90% Battery:27A 12V Transmit Distance: Size:74*46*12 mm   Applies widely to works, banks, stores, warehouses, offices and homestead, thanks to its kinds of protection abilities like anti-theft, anti-robbery,fire prevention, gas leakage protection and most importantly, emergency calls.Please pay attention:If you need this product work with your alarm system,please just contact us to first.We are sure that this product can work with our alarm system.   General Brand KERUI Form Color KIT1 Quantity 1 set Specification Battery included or not No Power Adapter; Transmission Method Wireless IR Night Vision No Dimensions & Weight Dimensions 7.87 in x 7.87 in x 7.87 in (20 cm x 20 cm x 20 cm) Weight 10.58 oz (300 g) Packing List Doorbell Receiver * 1 Doorbell Transmitter *1 User Manual *1

Advantages of this system: Your alarm will tell you when and where your alarm is triggered via sms or call, therefor expensive monthly monitoring costs by an external security company is not necessary, you monitor yourself. When the alarm calls you to notify an intrusion you can listen to hear what is going on by simply pressing a button You can even communicate via the alarm panel to the intruders and let them know what you think of them! You can activate the system from your keypad, remote control, cell phone or landline. There is no need for security companies to know when your alarm is triggered! You can monitor the alarm yourself. No high installation fees (often installation cost more than you pay for this unit!) You can add sensors to the alarm system any time you want. Even every month. And none of your settings have to be changed; you just add the additional sensor. Advanced sensor technology to prevent false alarms Any 433Mhz wireless sensors can be added to this system. Remote control to arm, disarm, panic button, stay at home arm (set certain zones not to be active while at home like your bedroom) Control unit includes keypad for easy programming and control 99 Wireless zones + 7 wired zones 100m range between sensors and panel! (keep in mind the more walls it has to go through the lesser the range) Very loud siren - 110 decibels Any 433Mhz sensors can be added to this system like gas leak sensors, smoke sensors, pet friendly sensors, outside beams etc When you move house you take the alarm with you and set it up at the new house. No need to change your settings! Kit contains: 1 Main panel with keypad and built-in GSM module 3 wireless PIR (motion) detector 1 Sound bomb siren, 2 Wireless door detector, 4 Remote controllers, 1 Built-in backup battery, 1 AC/DC Adapter, 1 User manual.