Line interactive design Boost and buck AVR (Auto voltage regulation) Fully digitized microprocessor controlled Energy saving function (UPS green mode) 50/60Hz frequency auto sensing and selection Smart RS-232 communication port Advanced battery management (ABM technology) Tel/Modem internet surge suppression Automatically charging when UPS off History record of power failure events Back up, on-line, battery status, power status display by software Schedule shutdown & reboot Total Price 6500 Voltage (on battery) Simulated sine wave at 100V / 110V / 115V / 120V or 220V / 230V / 240V +/- 5% Frequency (on battery) 50 or 60 Hz +/-1Hz Voltage Regulation( AVR) AVR automatically increase output voltage 15% above input voltage if -9% to -25% of nominal. Transfer Time 2 / 4 milliseconds, including detection time Voltage 100V / 110V / 115V / 120V or 220V / 230V / 240V +/- 25% at line input Frequency 50 or 60 Hz +/- 10% (auto sensing) Spike Protection 480 Joules, 2ms Unit Input Fuse or circuit breaker for overload & short circuit protection Overload Protection UPS automatic power off if overload exceeds 110% of 10 Base-T Cable Port YES Short Circuit UPS output cut off immediately or input fuse protection Type Sealed, maintenance-free lead acid batteries with 3-6 years typical lifetime Typical Recharge Time 6 hours (to 90% of full capacity) Dimension WxDxH (mm) 382 x 130 x 192 Input Inlet IEC 320 power inlet