Mi Door and Window Sensor 2

• Connect with a 2 in 1 Light and opening/closing sensor.
• Event History – connect with your home from distance.
• Smart IOT – synchronized with smartphone notification.
• Instant alert whenever door or window opens/closes unexpectedly.
• Things to use: Open/close – fridge, cupboard, pet house, door and window, toilet seat, baby park place, etc….
• Wireless connection: Bluetooth 5.1 BLE
• Battery type: CR2032
• Operating temperature: -10°C to 50°C
• Warranty : 6 months