Module properties: non-isolated module (BUCK); Input Voltage: 4-32V (limit 36V); Output Voltage: 1.2~32V (adjustable default output 5V); Minimum Voltage Difference: 1V ; Output Current:0-15A; Operating temperature: -40C to +85C ; Working frequency: 150KHz ; Conversion efficiency: up to 98% ; Wiring: Terminals Needn't solder V-IN input V-OUT output Have operating indicator; Voltage convert:12 to 3.3V; 12V to 5V; 24 to 5V; 24V to 12V; Batteries Buck; Power Supply Transformers; DIY adjustable voltage regulated power supply; 24V Car Laptop power supply; Car LED Strip power supply; Industrial equipment Voltage convert etc.