Features: 1. Strong practicability and wide range of uses to stable and long-term effect 3. thermal design, stable output and long service life 2. The back cover protection effectively resists dust environment overcurrent protection, reverse connection protection 4. High , strong load, programmable 5. The number of calibratable rotation circles can be set to 1-50 circles, Weight: 0.1322773572 pounds, Manufacturer: puhae