Smart Home Security Wireless Door Alarm WiFi Window Door Sensor Detector Alarm
5,43 €
This product is easy to install, only need to paste the main and auxiliary parts on the cover and the chassis, or two windows, and align (leave about 5 mm ). Alarm sound: 90 dB. Built-in 90 dB alarm output, using 3 x 1.5 V LR44 button battery (included).
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