External power supply: DC 12V power supply
Built-in battery: 7.4V / 500mAh rechargeable lithium battery
GSM band: 850/900/1800 / 1900MHz
Low voltage: <6.5V
Working current: <27mA
Alarm current: <160mA
Alarm temperature: 50 ℃ ~ 70 ℃ can be set (default 57 ℃)
Alarm sound: ≥ 80 decibels (3 meters distance)
Radiofrequency: 433MHz
Wireless transmission distance: ≥ 70 meters (open distance)
Support 5 groups auto-dial phone number, 5 groups SMS phone number
Arm, disarmed, control, etc. remotely by Mobile phone