Main function
1、Automatic voltage ragulation(AVR)
2、 Wide Input Voltage Range Option
3、High/Low Voltage Protection
4、Overload/Short Protection
5、Cool start computer even there is no main power
6、Automatic recharge even UPS is off
7、Beeping Alarm
8、Colored LED display
9、Frequency Selection Automatically
10、Intelligent Battery Management
11、Smart RS232 and RJ11 Option
12、Compatibility with generators
