GT power 4 in1 RPM/VOLT Analyzer

Manual Video Spare Parts Specification: Input Voltage: 2-6S Lipo Battery Dimension : 6 x33.4×10.7mm Weight: 22g Product Info: For the real time display of the RC model battery voltage, lowest voltage record, the set up of the low voltage alarm while flying and test the rotational speed of propeller. High precision display of individual cell voltage (1-6S shows separately) and the total voltage. With the special LCD screen which can indicate data clearly. With the reverse polarity protection for cell input. It can set up the range of LiPo / LiFe alarm voltage. Inclusive: 1 x analyzer 1 x buzzer 1 x Power extention wire 1 x rotational speed sensor 1 x instruction manual