CURRENT METER FUNCTION 7 MODES: Measurement and calculation of energy consumption and connected devices. Counts consumption in kilowatt hours with a high power tolerance of max. 16 A, compatible with 230 V ac. STORE BACKLIGHT: Large LCD display with wide viewing angle and clear backlight. Measurements and measurement settings can be saved even if the electricity meter is unplugged. REFINE ACCURACY OVERLOAD PROTECTION: Built-in high-precision current sensor. Guarantees accuracy class 1.0. Once the total power exceeds the display's rating, the LCD will display OVERLOAD and emit a warning sound to alert the user. EASY TO USE: ABS plastic, safety and eco-friendly material. Easily calculate the energy consumption of devices. Suitable for various electrical appliances, including Christmas lights, bread machines, coffee machines, computers, game consoles, printers, televisions, hi-fi systems, DVD players, ovens, etc. WHAT YOU GET: 1 x Digital Power Meter Socket, 1 x User Manual. 18-month warranty and customer support.