Specifications:

• State of Assembly: Ready-to-Go
• Size Small body: 40.5mm x 14.8mm x 18 mm
• Size Main body: 69.5mm x24mm x 21 mm
• Protocol: IEEE 802.11b/g/n
• Model Number: WIFI Door Sensor
• frequency: 2.4G Wifi(Don't support 5G)
• Compatibility: All Compatible
• Camera Equipped: No
• Brand Name: AllbeAI
• battery: 2pcs AAA (not included)
• APP: Tuya/smart life