Door Open Alarm Sensor RF 433Mhz MA01 As a wireless alarm sensor mounted on windows and doors, it consists of two magnetic parts and a broadcast sensor, when a thief opens the door, these two parts are far apart, the sensor will broadcast RF frequency. 433Mhz to the alarm center or wireless alarm speaker to warn the homeowner to drive away the thief. - Two-way version when opening the door generates 1 code, when closing the door, emits another code, 2 separate codes for many smart tasks or automatic context when combined with a remote control smart switch. - Magnetic pad with wireless sensor, easy to install without having to go through tangled wires. Both save effort, and do not lose the aesthetics of the surrounding space. - Smart design, energy saving, low battery warning, and code deduplication mechanism in 2 million codes.
Specifications: - Power supply: 1 CR2032 battery. - Frequency: 433Mhz (fixcode). - Close the door to broadcast 1 wave, open the door to broadcast another wave. - Transmission distance: <80m (open environment). - Door opening detection distance: >5mm. - Working temperature: -10℃ ~ 40℃. - Weight: 100g.
