Carol Lee 2023-12-29 11:12:49

供应Input voltage: USB5V
Standby current: ＜60mA
Alarm current: ＜300mA
Wireless frequency: 433MHz
GSM mode: support GSM850/900/1800/1900MHz
WiFi mode: support 2.4G wireless WiFi
Backup battery: 3.7V 800mA lithium battery
Battery standby time: 8 h
Alarm loudness: 80dB (built-in alarm) 110dB (external alarm)
Wireless distance: 100 m (open space)