This is a device to measure the strength of your 540 motors spec rotors.
Features & Specifications: V2 Enhancements
1. Reverse Polarity Protection
2. Optimized code for calibrating the offset during startup
3. Instant Reset Data Button
4. More Accurate ADC
5. Now Measures Up To 4000 Gauss
6. More Robust Cradle/Rotor Mount
7. Comes with
