German Plug Electricity Consumption Monitor **Comprehensive Energy Monitoring:** This wattmeter plug effortlessly measures power (watts), energy (kWh), volts, amps, Hz, power factor, maximum power (watts), time, and days. It also calculates electricity costs over an accumulated period. **Data Memory Function:** Equipped with a built-in 3.6V 40mAh rechargeable backup battery, this power meter plug retains your electricity consumption data even when unplugged, allowing you to resume data reading after reconnecting. Ideal for managing sudden power outages. **Overload Indication:** Features an overload protection function with a 3680W overload indication. It alerts you if a device's power consumption exceeds the circuit's safe handling capacity, ensuring safety. **User-Friendly Design:** With 4 simple buttons, this electricity consumption monitor is easy to operate and allows for setting various parameters. The clear LCD screen ensures easy readability from any angle. **Wide Application:** Perfect for monitoring the energy consumption of various household appliances, including computers, gaming consoles, printers, TVs, routers, ovens, toasters, set-top boxes, fans, air conditioners, DVD players, and HiFi systems. **Specifications:** * **Plug Type:** GERMAN Plug 230V * **Battery:** 1 x 40mAh NiMH Button Type Rechargeable Battery (Built-in) * **Voltage Range:** 150-276V * **Voltage Accuracy:** ±2% * **Power Display Range:** 0.0-9,999W * **Power Accuracy:** ±2% * **Total Power Display:** 0.000-9,999KWH * **Total Cost Display:** 0.00-9,999 * **Electricity Cost Setting Range:** 00.00-99.99/KWH **Package List:** 1 x Socket, 1 x Instruction Manual.