High quality. Plug and play, just plug the gauge into the wall and connect your device. Can monitor the standby or operating power consumption of almost all electronic products. The LCD screen displays cost, power, energy, voltage, current, hertz, power factor, time and days. The brightness of the display is moderate and soft, clear and comfortable for reading. When the load is connected above 3680W, the LCD displays "overload" with a booming sound. Suitable for household appliances such as air conditioners, water heaters, computers, etc. Specifications: Material: PC Colour: white. Size: 16.8 x 8.3 x 7.8 cm LCD display size: 2.3 x 3 inches Plug type: EU Operating voltage: AC 230 V, 50 Hz. Operating current: max. 16 A. Voltage range: 220V-250V. Power display: 0W-3680W. Power indicator: 0.0 A-16 A. Package includes: 1 x power meter. 1 x English user manual (English language not guaranteed).