Specifications Dimensions: 80mm x 25mm x 12mm Net Weight: 12g Battery Range: 2 to 6 Cell LiPo, LiFe Voltage Display Resolution: 0.001V Voltage Detection Precision: 0.005V Cell Display Range: 1.5 to 4.99V Total Voltage Display: 3 to 4V Consumption: 8mA Features - Microprocessor controlled voltage detector - With programmable ALARM Function for LOW Voltage - Reverse polarity protection This is special edition bundle with RCECHO Apps license key included for more fun!. RCECHO is a registered trademarks. Products only distributed by authorized seller.