ITEM NAME:3Pcs DC12V/24V to DC3.3V 3A 9W Step Down Power Supply Converter Regulat YJI Descriptio n Description: 3 Pcs DC12V/24V To DC 3.3V 3A 9W Step Down Power Supply Converter Regulator Module Features: Quantity: 3Pcs Material: ABS Fireproof +PCB Color: White Size: 26*36*21mm L output current: 3A L output power: 9W L conversion efficiency: 96% L maximum working temperature below 40Â °C. Ii. Product features: L overpressure protection L overcurrent protection L overheat protection L short circuit protection and automatic recovery L shock protection. Iv. Wiring instructions IN: represents the input (red and black constitute the input terminal to connect 12V) OUT: represents the output (black and yellow make up the output end). The yellow terminal is connected with the positive terminal and the black terminal is connected with the negative terminal Product list: 3 Pcs DC-DC 12V 3.3V 3A 9W Power Converter We offer you what you need! DC12V/24V To DC 3.3V 3A 9W Step Down Power Supply Converter Regulator Module.L output power: 9W. Product list: 3 Pcs DC-DC 12V 3.3V 3A 9W Power Converter. Quantity: 3Pcs. L output current: 3A. We'd like to settle any problem in a friendly manner. L short circuit protection and automatic recovery.