Features Simple Operation: This is LCD 12V to 5V+3.3V voltage conversion board, 5V, 3.3V power board, small size, light weight, easy to use 3 Interface Definitions: P2 is power supply 12V input interface, 12V 12V GND GND, P3 is output interface, GND GND ADJ SW 12V 12V, P4 is the output interface, ADJ SW GND GND GND GND 5V 5V 3.3V 3.3V(1) Function: Convenient to use to connect high voltage strips to test light tubes. The high voltage strips in the market are generally powered by 12V. This 12V, 3.3V or 5V can be used as switch signal. ), so that the lamp can be lit, and can be used on some Wide Application: This voltage conversion module is suitable for various brands of LCD monitors and various weak current devices that meet this power supply requirement Basic Specifications: This is voltage conversion module, which is made of PCB material, input is 12V, output is 12V 5V 3.3V Specification: Item Type: Voltage Converter Module Material: PCB Input: 12V Output: 12V 5V 3.3V Package List: 2 x Voltage Converter Module Package List 2 x Voltage Converter Module