Description: Using MC34063, suitable for small current applications, power supply anti-reverse design, simple circuit, high efficiency, easy to use Work Voltage: DC 12 - 28V Limiting Voltage: DC 9 - 30V Output Voltage: DC 5V Load Current: ? 350MA Size: 30 x 20m Package Includes: 1 Piece Step-down Power Supply Module Note: Color maybe slightly different due to different monitor. The above size is measured by hand, please allow slightly difference. Thanks !