Features: LOWER POWER CONSUMPTION: digital power monitor meter is the killer of the high-cost energy appliance, helping you lower power consumption and save money. PRODUCT FUNCTION: power consumption monitor allows you to accurately detect the power consumption of electrical appliances and find out what equipment consumes a lot of electricity. CLEAR READING: the electricity usage monitor is equipped with a large display screen with clear reading. Make you easy to read and record the data, especially in the darkness. SUITABLE FOR: the power meter plug is suitable for automatic charge of electric power consumption and detection of power consumption, current and voltage of electrical equipment. Note: When selecting, please pay attention to the type of voltage and socket Specification: European/French plug: 1. Power consumption meter monitor: 0.5W - Working voltage: VAC 2. Frequency display: 50Hz - Working current: 16A max - Wide voltage range: 200V-250V - Set the displayed power (Watts) to 0W ~ 9999W; but the actual displayed power (Watts) is 0 ~ 3680W (Swiss energy meter label shows 2500W, the actual is 3680W) 3. Display time range: 0 seconds to 9999 days - Display voltage range: 0V ~ 9999V Display current (Ampere): 0.000A16000A 4. Frequency display: 0Hz9999Hz 5. Price display range: 0.00 cost/kwh 99.99 cost/kwh 6. Total kWh and display cost: 0.000kWh-9999kWh,0.00 cost----9999 cost UK plug: 1- Working voltage: VAC 2. Frequency display: 60Hz - Working current: 15A max. - Wide voltage range: 200V-250V - Set the display power (Watts) to 0W ~ 2900W; 3. Display time range: 0 seconds to 9999 days - Display voltage range: 0V ~ 9999V -Current display (Ampere): 0.000A ~ 13.000A 4. Frequency display: 0Hz9999Hz. 5. Price display range: 0.00 cost/kwh 99.99 cost/kwh 6. Total kWh and display cost: 0.000kWh-9999kWh Package Included: 1pcs * Counter Output Power Meter (UK/French/EU Plug Optional).Battery not included