DM551 Voltage Tester, EU Digital AC Voltmeter EU Plug Plug High Accuracy Power Wattmeter for Household Appliance Specification: Item Type: AC Voltmeter Model: DM55-1-EU Measurement accuracy: 1.5% 2word Measuring range: AC 110-300V Power Consumption: 1W (about 1KW every 1200 hours) Ambient temperature: 0~50() Package List: 1 x AC Voltmeter Note: 1. The product can display the power voltage when connected to the AC-220V plug. 2. Keeping children away from products is important. 3. Do not use the product in a humid environment. 4. This meter is only suitable for AC50-60HZ pure mains power. It cannot be used for square wave, inverter output and modified sine wave sine wave circuit, otherwise the meter will be permanently damaged