Firstsing 3000VA Standby UPS Battery Backup Uninterruptible Power Supply with LCD display for PC

Capacity:3000va/1800w
INPUT
Input voltage:220/230/240Vac
Input voltage range:175-275Vac
Input frequency range:45-65Hz
OUTPUT
Input voltage:220/230/240Vac
Output voltage range:200-255Vac
Output frequency: 60±0.5Hz or 50±0.5Hz(Auto sensing)
Wave form: PWM(Batt,mode)
Transfer time: Typical 2~6ms, Max.10ms.
Low voltage & overload & short circuit protection.
RJ45/11 & USB Optional.