Feature: 1. All in One: This is an electricity meter that integrates energy meter, voltmeter and ammeter, used to analysis, test and troubleshoot of DC power projects. 2. Wide Voltage Range: This meter has a wide voltage measurement range of 0 to 60V, suitable for 12, 24, 36 and 48V battery pack systems. 3. Low Resistance: Using precise aluminum chromium current sensing resistor, the resistance is only 0.001ohms, and the circuit consumes only 7mAh. 4. Digital LCD Screen: Equipped with a digital LCD screen, providing clear and institutive digital readings, convenience for operation. 5. Wide Application: This profession meter can be widely used for your RC hobby, DC circuit, solar system, boat, RV and battery backup systems. Specification: Item Type: RC Watt Meter Material: Aluminum Alloy Current: 0-100A Resolution: 0.01A Continuous Current: 50A Resolution: 0.01V Capacity Accumulation Function: 0-65AH Power Accumulation Function: 0-6554WH. Package List: 1 x RC Watt Meter1 x Manual Note: Please read the manual before operation.