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433MH Wireless Door/window Burglar Alarm Gap Detector(MC-01) With Doorbell Function
1.It has doorbell function, can remind user to set alarm.
2.Both sides have magnets. Easy to install and change batteries.
Technical specifications:
Power supplied 12V (inside battery 12V)
Transmission frequency: 433MHz±0.5
Sending distance: No obstacle 80m
static current: ≤10uA
Alarm current: ≤30mA(door bell not work) ≤80mA(door bell work)
Alarm distance: 20mm
Work condition: temperature -10~40℃
Humidity ≤90%