KERUI D026 433MHz Wireless Door Window Magnetic Sensor

Features:
*Door Sensor Separation Alarm Function: When A(transmitter) separates with B (Magnet) more than 1cm, instant light flashes 1s and it sends alarm signal to alarm panel immediately to prevent the intruders who attempt to sneak through doors and windows. .
*Low-voltage Reminder Function: When wireless door sensor is in low voltage, it will flash light once every 3s and send low voltage signal to alarm panel. Alarm host will voice prompt Zone XX is in low power to remind you to change the batteries.
*Tamper-proof Function: There is a tamper proof button in the back of A (transmitter), when the transmitter is removed, the tamper button would be triggered, then instant light flashes 1s and it sends alarm signal to alarm host at once.
*Doors Unclosed Reminder Function: If the door sensor is in separation state, the alarm host can't be armed when you go out and intend to arm it, and the host voice prompts Zone XX is open to remind you that the door isn't closed well.
*Compound multi-layer design. Built-in omnidirectional antenna. Superior circuit design. High-performance and low power consumption. It can also match the home decoration environment perfectly.