Technical Parameters
Input Voltage: DC5V (powered by USB Type-c standard interface)
Operating current: <250mA
Alarm current: <650mA
Wireless RF: Center frequency 433.92MHz, modulation mode ASK, oscillation impedance 330K
Coding format: support 1527/2262 for receiving; support free switching of1527 or 2262
GSM system: 2G/4G for transmitting
WiFi system: IEEE80211b/g/n wireless standard
Backup battery: 3.7V/1000mAh
Operating temperature: -10~55
Relative humidity: <80%(no condensation)
Product size: 160*98*19MM (L x H x D)