Features:
100% brand new and high quality 
Use a dedicated benchmark IC, and high-precision current sensing resistor, can make more stable constant current 
High output current, the max output current can reach 9A. 
Low output ripple , high frequency capacitor reduces output ripple. 
Suitable for LED driver. 
Specification:
Material: PCB board and electronic component 
Color: as the pic shows 
Input voltage: 5-40V 
Output voltage: 1.2-35V (continuously adjustable) 
Output Current: 9A (power tube temperature exceeds 65°C please add cooling fan) 
Constant current range:0.2-9A ( adjustable ) 
Output Power: Maximum power is about 300W (power tube temperature exceeds 65°C please add cooling fan) 
Size: Approx. 2.55*1.88*0.94inch / 6.5*4.8*2.4cm(Length*width*thickness)
    Package included: 

• 1 x DC CC 9A 300W Step Down Buck Converter 5-40V To 1.2-35V Power module