LM317 DC 5V-35V DIY Kit Step-Down Power Supply Module AC DC Adjustable Voltage Regulator with On Off Switch

It is DIY kit,need weld each component together. It can input DC/AC power,but only can output DC. 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 Listing: PCB board x1 KF3.96-2P x1 1N4007 x5 Switch x1 scoket x1 PTC Resettable Fuse x1 50V 407UF electrolytic capacitor x1 104 ceramic capacitor x2 M3*6 screw x1 LM317 x1 heak sink x1 5K adjustable resistor x1 Potentiometer knob x1 2N5551 x1 5.1K resistor x1 220ohm resistor x1 25V 10UF capacitor x1 50V 2200UF capacitor x1 LED x1