ITEM NAME:12V 24V 30V 40V 10A Motor Speed Switch Governor CCMHC PWM DC Controller #gib Store Home Promotion Hot Item Add to Fav.PWM Frequency: 13KHZ. Maximum current: 10A. Circuit board using military grade sheet. Power tube using IRF3205 this bull,no worry about your motor not moving. Add to Fav. Speed range: 10%-100%. Due to the different display and different light, the picture may not reflect the actual color of the item.