Digital LCD displays provide clear and clear readings. Measures 0 to 60 Volts, works on 12, 24, 36, and 48-volt battery bank systems. This is the All-In-One Meter: a power meter, a voltmeter, an amp-hour meter, ammeter, and energy meter. Digital LCD screen gives clear crisp number readings. Perfect troubleshooting tool: it's indispensable for analyzing, testing and troubleshooting any DIY DC power project. Professional RC Watt Meter is an excellent addition to your RC hobby, DC circuits, Solar system, Boat/RV & Battery Backup systems. Specifications: Color: Blue Material: Plastic Operates Voltage: 4.8V-60V Size: 8.3 * 4.2 * 2.4cm / 3.27 * 1.65 * 0.94in(approx) Measures: 0-150A, resolution 0.01A; 0-60V, resolution 0.01V; 0-6554W, resolution 0.1W; 0-65Ah,resolution 0.001An; 0-6441Wh,resolution 0.1Wh; Product Display: Backlit LCD Display Weight: 65g / 22.75oz Package List 1 * Watt Meter