Basic parameters: Voltage :90-260 V / 50Hz, Power :1-3000 watts Power of 0.0001 to 999.9 degrees; Electricity :0-9999; Conditions: internal control 0-100% Time :0-60 minutes to 24 hours -999 days; Measurement accuracy: Ⅰ; Refresh frequency: ≥ 1. Operating environment: Temperature: -10-60 ° C Humidity :10-95% RH; Maximum load: 15A Package List: 1* U.S. Regulatory Metering Socket / Power Meter