- Size: Contact Sensor：70.5×25.5×23mm(2.8×1.0×0.9 in.) Magnet：35×12×12.5mm(1.4×0.5×0.5 in.)
- Weight: Contact Sensor with batteries：49g(1.7 oz.) Magnet：13g(0.5 oz.)
- Compatibility: Android 5.0+, iOS 11.0+
- BLE: ≥5.0 (Long Range)
- Third-party Service: Alexa,google,IFTTT,Smartthings,Clova，Siri
- Battery Type: AAA / Alkaline battery×2
