USB Power meter, creates exact insight in your energy consumption (voltage/current/power)No permanent computer connection requiredPower Manager software helps calculating the actual energy costs of your equipmentSoftware provides basic power consumption readings (home use) and advanced readings (business use) Power consumption max: 1.2 WInput voltage: 220-240 VACLoad max: 10 AUSB 1.1 or 2.0 compatible interfaceComputer measurements: voltage and current measuring (RMS values), true power measuring, real energy consumed during a time period (kWH)Measurements range: up to 250 VAC, 10 A (RMS), 2500 W, 22 MegaW a yearMeasurements accuracy: ± 2% (within 50W-2500W power range)Working conditions: +10…40 °C, below 90% humidityResistance to short-circuits: 1.5 KVDimensions: 135 x 92 x 78 mmNet weight: 0.3 Kg