S4 Door Sensor
S4 is a door&window sensor with BLE5.0 technology and a magnetic sensor inside. Users can realize remote door monitoring to ensure asset or stuff security; also, alerts received by admins if disassembled by others, which is usually used in private houses or museums for thief prevention.
How it works
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Instant and Smart Notificaitons
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|Dimension||55×26.2×13mm (main body), 38.5×12.5x11mm (magnet)|
|Weight||26.6g (with battery)|
|Battery||230mAh,13months (by default)|
A password is required to connect the S4 to the App for the first time. If you do not unbind the S4, no password is required for each connection; if unbind, a password is required to connect again.