Photo 1 of BLUEbits® Open Window Door Detector Kit/ Opening Detection / 500 Feet Wireless Transmission Range / Home Security Alarm System (White 1 Receiver + 1 Contact Sensor)

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Photo 1 of BLUEbits® Open Window Door Detector Kit/ Opening Detection / 500 Feet Wireless Transmission Range / Home Security Alarm System (White 1 Receiver + 1 Contact Sensor) Photo 2 of BLUEbits® Open Window Door Detector Kit/ Opening Detection / 500 Feet Wireless Transmission Range / Home Security Alarm System (White 1 Receiver + 1 Contact Sensor)