door sensor,wholesale Products,Images,Price

Two way communication wireless 433mhz door / window sensor with low battery alert PB-68 100 transmission distance buy it!
$1.60-$2.10

Home alarm system Wireless LoRaWAN NB-IoT door magnetic sensor for security buy it!
$29.00-$46.00

WiFi Smart window door gap alarm wifi anti thief home alarm tuya door sensor For Home Security buy it!
$2.50-$5.50

Tuya Home Security System GSM Magnetic Door Sensor Alarm Smart WiFi Door Window Sensor Alarm buy it!
$2.00-$3.00

5C-37 side wires magnetic contacts, switch sensor/ magnetic alarm sensor
$0.55-$1.30

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