New 7 in 1 Multimeter/Checker/Tester

1. Lipo Battery Checker 2-8S LiPo/LiFe/LiLon
2. Battery Internal Resistance
3. Watt Meter (Max 100A)
4. Servo Tester
5. Optical Tachometer (1 to 5 propeller) Range 1-60000 RPM
6. Temp Gauge
7. Thrust Calculator