Functional & User-Friendly: This EU-type energy consumption meter monitors voltage (V), current (A), power (W), energy (kWh), frequency (Hz), power factor, cost, max/min power, etc. Ideal for tracking appliance energy use. Up to 3680W, suitable for dryers, washing machines, coffee makers, ovens, bread makers, game consoles, printers, TVs, stereos, DVDs, and more. Overload Alarm: 3680W/16A overload protection. If current exceeds 16A or power exceeds 3680W, the meter stops, displaying a flashing "OVERLOAD" warning. Easy Operation: Press "FUNC" to select monitoring mode. Press "COST" to set the electricity price (00.00 COST/kWh ~ 99.99 COST/kWh). Use the "UP" and "DOWN" buttons to adjust the price. Note: Date and time are calculated only when the unit is powered with more than 2 watts (not in standby). Real-Time Energy Monitoring: Simply plug the meter between the appliance and an outlet to precisely track energy usage and cost. Your energy-saving assistant to reduce electricity bills. User-Friendly Design: Features a large LCD screen and clear function buttons for easy use and readability.