High efficient & reliable inter-dynamic design
Auto voltage adjustment & steady voltage output
Communication protection
Built-in usb2. 0 hub 4 in 1

Capacity: 300va/ 180w
Input voltage range: 176 - 264v (AC)
Input frequency: 50hz or 60hz??10%
Output voltage: 220v ?? 10%

Output frequency: 50hz or 60hz ?? 0. 5hz (while battery running)
Output transfer time: 4ms
3 plugs with battery backup
3 plugs with surge protection