WiFi Door Magnetic Sensor Alarm

Product information:
Item No.: WIFI sound and light Magentic contacts
Type: smart home control system
Product Name: acousto-optic door and window alarm
Working electricity: voltage DC3V
Static current: ≤ 120 μA
Alarm current: ≤ 20mA
Alarm sound:> 100dB
WiFi:IEEE 802.11 B 2.4G