**Digital Power Meter:** Simply plug your device into the meter's outlet to monitor real-time energy consumption. Save energy, cut costs, and protect the environment. **7 Precise Measurement Modes:** Equipped with an easy-to-read LCD screen, this power consumption meter offers 7 modes to monitor power, voltage, frequency, current, power factor, cost, minimum and maximum power, and cumulative power. **Efficient & User-Friendly:** This wattmeter is an ideal choice for household appliances such as computers, washing machines, TVs, game consoles, routers, refrigerators, kitchen appliances, and home lighting, maximizing energy efficiency. **Integrated Battery:** The built-in battery saves data even after the device is unplugged or powered off, making it more convenient to configure and program the meter before connecting it to the outlet. If the total power exceeds the wattmeter's maximum capacity (3680 W), the LCD screen will flash and display "Overload." **Specifications:** If buttons are unresponsive, press the Reset button to reset the device. Operating voltage: 230V, 50Hz. Operating current: Max 16A. Wide voltage range: 230V - 250V. Voltage accuracy: ± 2%.