Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si Note: There is a Hall driver board needs a motor, and it can work normally only with a Hall: Without a Hall driver board, both without a Hall motor and with a Hall motor can be used. smoothness with Hall driver board is without Hall driver board Working voltage: 5V-35V Load capacity: 15A 350w Overcurrent protection: yes Maximum power: 350W Working environment temperature: 40~85 degrees Celsius Dimensions: length 63 X width 45 X height 28mm Working : open loop Product use: vehicle / household / industrial equipment, etc. Due to different batches, the appearance and color of the product , it does not affect the use Colour:yellow Material:PCB type:without Package Contents: 1 x Driver Board Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.