Motion Detector: 2 x AA batteries, 2.6" x 2.6" x 1.53". 1 x Alarm Keypad (2nd Generation). 24/7 Alarm Professional Monitoring (subscription required). Base Station: 100-240V AC, Wi-Fi/Ethernet/Z-Wave/Bluetooth, 24-hour backup battery, 6.65" x 6.65" x 1.46".
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