UPS Ultra Power 500VA/300W , (3 steps AVR, CPU controlled), USB, 8 Schuko, 2 IEC, plastic case---U-500 500VA/300WAVR: 3 steps of AVR, CPU controlledInput: 1 IEC socketOutput: 8 Schuko socke, 2 IEC socketInput voltage range: : 145~290Vac±5VacInput frequency range: 45/65HzOutput voltage range: 230VacOutput frequency (DC mode): 50/60HzFUNCTION: 1. Auto re-starts when AC recovers 2. Silence setup 3. Automatic charging (offline charging)MANAGEMENT: RJ45/11 & USBBATTERY: 1*12V 7AHUnit dimension (mm): 305*285*140 mmNet weight (kg): 5,5 kg