WiFi Security Hub is an intelligent devices that can make sounds, push message by app when door sensor, motion sensor, water sensor, so on is triggered.It could transfer your traditional RF433 sensor into wifi smart sensor.
1. Model: COL-SS02W
2. Power: build-in battery or 110-250V
3. Support Sensor: 100 zone RF433 sensor
4. Wireless standard: WiFi 2.4GHz b/g/n
5. Message push in App
6. Package: 1pcs hub, 1pcs rf433 doorbell
7. Work with alexa and google home