Real-time Monitoring & Saving bills watt meter can help you to know more clear about the consumption of the appliance, help reduce the electricity cost. enter setting mode. Select the Cost/KWH mode, enter the utility providers cost of electricity so you can easily identify which appliance in your home is costing you the most money. Digital large LCD display screen make you easy to read and record cumulative kilowatt-hour, time and electricity expenses from full angles. Solving the problem of unclear screens in many other similar products. Blue and white backlights have no visual impairment when used at night, and screen data is clearly visible. Electricity usage monitor: Monitor is the killer of the high-cost energy appliance, helping you lower power consumption and save money. Digital LCD Display: Large clear LCD display for easy reading, the screen size is 47mmx60mm. Various Parameters: Power(W), Energy (kWh), Voltage, Amps, Power Factor, Cost and Minimum & Maximum Power, ideal for energy consumption monitor. Overload Protection: Once the whole power exceeds the rated power of monitor, LCD will display "OVERLOAD" with booming noise to remind the user Built-in Battery:With 3.6V rechargeable battery(NI-MH), It can store electricity. which allows meter to be moved and viewed without losing readings. REASONS TO BUY:✨ Meter electricity monitoring: the meter has a large scale design, which can be used to measure the voltage of power supply, energy efficiency, current consumption, etc., and is very suitable for testing electrical equipment or household appliances. ✨ High sensitivity: with sensitive electrode sensor, you can easily read the real-time electrical voltage in a few seconds. ✨ Small small: small size, easy to carry and store, can be placed in a pocket or bag, which is convenient for you to use. ✨ Excellent product: the power meter is made of high-quality materials, which is durable and has a long service life. it can be used for a long time. ✨ Monitor household energy usage to help you save energy and money.