Specifications: With professional production, precision manufacturing and many other protection functions, it is shockproof, waterproof and moisture-proof. Built-in multiple intelligent protection functions, it has high conversion efficiency and stability, which is safer to use. Adopting pure copper core, it has better ductility and is not easy to break. Item Name: Step-Down Module Product Material: ABS Input Voltage: 12V24V (8V to 40V) Output Voltage: 5V±0.25V Output Power: 5W, 10W, 15W, 20W, 25W, 30W, 40W, 50W Output Current: 1A, 2A, 3A, 5A, 6A, 8A, 10A Conversion Efficiency: 96 Percent Protection Grade: IP67 Installation Line Length: 13cm Working Temperature: -20 Degree Celsius to 80 Degree Celsius Module: DC-DC Non-Isolated Step-Down Module Features: Moisture-Proof, Shockproof, High Stability Shell Size: 63mm x 32mm x 18mm/2.48" x 1.26" x 0.71" (Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Step-Down Module