Product name:Electric fan driver Performance data: Control way: Sin wave control, FOC Hall sensor: Sensorless RPM: 0-400 Speed control: RF/IR/PWM/VSP/SPI Speed feedback: Yes Forward/Reverse function: No. Can be with LED light: Yes Rated spec.: Input voltage: 24V Power:36W Protection data: Voltage range: 16-32V Voltage limit: 35V Current limit protection: 2A Phase failure protection: Yes Product features: Super silent Heat dissipation structure design Switch buzzer tone