Product Descirpition：

This product is a smart door/window magnetic alarm, using a split magnetic sensor design, by sensing the magnetic body to determine the switch state of the door and window, It has the advantages of high precision and sensitivity, good long-term stability and reliability. This product can be widely used in homes, computer rooms, hotels, shops, offices, etc. When a change in the door or window switch status is detected, a message is sent to the host.

Tecnical Parameters：

Power Supply: DC 3V (2 x 7 batteries)

Quiescent Current: <5uA

Alarm Current: <20mA

Radio Frequency: 433MHz/868MHz

Radio Distance: 100m (open distance)

Door Sensor Opening and Closing Distance: 1.5cm

Operating Temperature: -10°C to +50°C