Features:
Brand new and high QUALITY
It is DIY kit，need weld each component together.
It can input DC/AC power，but only can output DC.

Specifications:
Input DC volt:5V-35V
Input AC volt:6V-25V
output DC volt:1.25V-30V
output circuit:1A(max)
minimun dropout voltage of input and output:3V
Main Color: black
Net weight: 50g

Package includes:
1 x PCB board 
1 x KF3.96-2P 
5 x 1N4007 
1 x Switch 
1 x scoket 
1 x PTC Resettable Fuse 
1 x 50V 407UF electrolytic capacitor 
2 x 104 ceramic capacitor 
1 x M3*6 screw 
1 x LM317 
1 x heak sink 
1 x 5K adjustable resistor 
1 x Potentiometer knob 
1 x 2N5551 
1 x 5.1K resistor 
1 x 220ohm resistor 
1 x 25V 10UF capacitor 
1 x 50V 2200UF capacitor 
1 x LED