Specifications: Useful and practical brushless motor controller. Made of high quality material, which is durable. Featuring with stall protection, over-current protection, steering control and speed control signal functions, it is safe and practical. Item Name: Control Panel Material: High Density Fiberboard, Metal Operating Voltage: DC 12V-36V Operating Current: ≤15A Driver Power: ≤500W Speed Voltage: 0.1V-5V Operating Temperature:-40-85 Degree Celsius Humidity: 90%RH Specification: A: Without Hall Sensor B: With Hall Sensor Features: Balancing Brushless Motor, Durable, Easy to Use Probe Size: 3mm/0.12" (Approx.) Product Size: 6.3cm x 4.2cm x 1.7cm/2.48" x 1.65" x 0.67" (Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Control Panel