The item is a professional and practical RC helicopter Watt Meter, which is an excellent addition to your RC hobby, DC circuits, Solar system, Boat/RV & Battery Backup systems! It isn’t just a watt meter, and it is also All-In-One Meter, i.e. A power meter, a volt meter, an amp-hour meter, ammeter and energy meter. Everything all in one unit! This is the perfect troubleshooting tool. This all-in-one watt meter is indispensable for analyzing, testing and troubleshooting any DIY DC . Features - - Material: durable aluminum alloy. - Size: (approx.) 8.5cm x 5cm x 2cm. - and Digital LCD Watt Meter DC 60V 100A RC Balance Voltage Battery Power Analyzer Checker. - Digital LCD screen gives clear crisp number readings. - Handles up to 100 amps intermittently and 50 amps continuous duty. - Connecting load end to the battery provides real-time battery charging reading. - Handles volts. Works on 12, , 36, and 48 volt systems. - consumption of 7 mA. More efficient than any LED meter. - Measure energy(wh), charge(ah), power(w),current(A) and voltage(V). - Accurate & precise 0.01 A cuurrent and 0.01 V voltage resolutions. - Measures peak Amps, peak Watts(except for Doc Wattson) and Voltage minimum(sag). - Rugged- handles 50A continuous and 100 at 60V. , super fine stranded, high temperature, silicone rubber insulated wire. - Acts like a wire so doesn’t affect model’s performance. Precision Alu- current sensing resistor, with only 0.001 Ohms resistance and circuitry that draws only 7 mA. - Uses DSP to increase ADC resolution and differentiate measurement amplifiers to increase noise . 8MIPS micro-controller Specifications - Voltage: 0-60V, Resolution:0.01V. - Current: 0-100 , Resolution: 0.01A. - Power: 0-6554W, Resolution: 0.1W. - Charge:0-65Ah, Resolution:0.001Ah. - Energy:0-6554Wh, Resolution: 0.1 Wh. - Measurement Update period:400mS. - Signal Sampling Rate: sample/s. - Data Queue Sequence time: 2 seconds. - In Circuit Resistance: 0.001 Ohms. - Operation Current: 7mA. Package list: 1 * RC Helicopter Digital LCD Watt Meter DC 60V 100A RC Balance Voltage Battery Power Analyzer Checker (Blue)