Siren Alarm Tuya Smart Wireless Magnetic Door Detector Window Door Open Contact Sensor for Home Security System Entry Protection
This Amazon top seller new siren alarm door contact sensor can send push alert to your phone and has onsite siren alarm sound to notice you there is intruder while detecting the door openning.
This door contact sensor separately works with Tuya Smart or Smart Life App., and works with Amazon Alexa and Google Assistant for remote control through phone App. from outside anytime
It has weak current display function. Door and window opening and closing alarm detection, with emergency alarm button function, 1527 encoding and decoding method, 315/433 frequency design, 12V, 23A battery power supply, sensing distance 15-25mm
Working voltage: 3V button lithium battery
Transmitting frequency: 315/433/868MHZ
Encoding method: PT2262/EV1527
Transmitting distance: ≥120M
This product is a tuya smart door sensor, remote doors and windows open touch contact reminder, using ultra-low power chip design, Low-voltage fault monitoring report, anti-dismantling, anti-vandalism function.
Compatible with 1527 encoding format, optional oscillation resistance, long transmission distance.
Typically used in various household and commercial door and window anti-theft alarms
If you need personal PIR motion sensor, you can order it from below link: