Capacity 1200VA Input Voltage Range 140 - 300V 5% Frequency 50Hz/60Hz (Auto-sensing) Phase Single + GND Output Voltage Range 230VAC 10% Battery Mode 230VAC 10% Frequency 50Hz 1% (Battery Mode) Waveform - Simulated Sine Wave (Battery Mode) - Sine Wave (AC Mode) Transfer Time 2ms typical Battery Type 12V/8.2AH - 2pcs Backup Time 8 - 40 minutes depending on load Recharge Time 90% capacity after 4 - 6 hours Protection / Monitoring Short Circuit Protection - Line Mode - Fuse & Software Protection - Battery Mode - Software Protection Surge Protection Yes Alarm Audible & Visual UPS Protection Load Auto Sensing and Abnormal Protection Overload Protection - Line Mode = 110 - 120% alarm for 5mins & shutdown >120% shutdown immediately - Battery Mode = 100 - 110% alarm & shutdown in 10 sec >120% shutdown immediately Intelligent Battery Prevent overcharging of battery Management Protect battery and prolong battery life Interface RJ11 General Noise Level 40dB Temperature 0C - 40C Humidity 0 - 90% Power Factor Up to 0.7 Built in AVR TRUE 3-step AVR Dimensions 287 x 100 x 142mm (L x W x H)