UPS Ultra Power 800VA/480W (3 steps of AVR, CPU controlled) metal case---UPS800ME 800VA/480W Front Panel: LED indicatorsAVR: 3 steps of AVR, CPU controlledInput voltage range: 145~290Vac±5VacInput frequency range: 50Hz / 60Hz (Auto sensing)Output voltage range: 200~255VacOutput frequency (DC mode): 50±0.5Hz / 60±0.5HzWave form: PWM (DC Mode)Transfer time: Typical 2~6ms, Max.10ms.2 Germany SocketsBattery: 1 pc*12V9AhCharging period: 4~6 hours recover to 90% capacityPROTECTION:1. Battery low voltage protection 2. Overload protection3. Short circuit protectionFUNCTION:1. Auto re-starts when AC recovers2. Silence setup3. Automatic charging (offline charging)Unit dimension (mm): 324*100*153mmNet weight (kg): 5.8kg