Features Application: battery consumption performance monitor can prevent the peak current from damaging the battery, ESC, motor, wiring and connectors. Verify that the battery charger is operating correctly (connect the battery and charger) Wide operating voltage range: 150 Amps power analyzer has a wide operating voltage range, from 4.8V to 60V, mainly used for remote control model aircraft wattmeters Digital LCD display: 150A power analyzer current power meter with digital LCD display design, easy to read. The resolution is 0.01A (0~60V) and 0.1W (0~6554W) Size: The size of the power RC watt meter is 84*43*26mm/3.3*1.7*1in, the weight is about 118g, and the error is 0.01A. The voltage amp meter is small in size and high in accuracy, making it a very easy-to-use meter. Low power consumption: 150 Amps power analyzer can connect the load to the battery to provide real-time battery charging readings. After connection, the wattmeter will continuously provide real-time readings of amperes, volts and watts, and 6 mA of extremely low power consumption Features: 100% brand new and high quality. This is a watt meter mainly used for RC model airplane. 150 Amps power analyzer is designed with a digital LCD display for convenient reading.  Current power meter has wide working voltage ranging from 4.8V to 60V. Small size and high accuracy, it is a great meter to use. Specifications: Working Voltage: 4.8V~60V Current: 150A Error: 0.01A Resolution: 0.01A(0~60V); 0.1W (0~6554W) Size: 84*43*26mm/3.3*1.7*1in Weight: 118g(approx.) Package Includes: 1 x Watt Meter Package List