.7~12V Heated Vest Pants Gloves Electirc Heating Waistband DIY Temperature Controller Rheostat Switch Silicone Button Switch
Size: 3CM*3CM high 0.8CM.
wiring
Input: red input is positive, black input is negative;
Output: red output is positive, white output is negative;
The default is 3 wires, the positive pole is red in total