GT Power 4-in-1 RPM / Voltage Analyzer

(This text is machine translated) 4-in-1 RPM / Voltage Analyzer - GT Power Range Key Features Used with 2S - 6S LiPo / LiFe / Battery Voltage display resolution: 0.01v Lowest recorded voltage Low alarm voltage Reverse polarity protection Tachometer with number of blades What's in the box 1x RPM/Volt analyzer 1x Flat cable 1x Audio buzzer with 160mm wire 1x Speed ​​sensor with 600mm wire 1x 3M Tapepad