DC Step Down Module XL4016E1 Large Power 8A DC Voltage Regulator Features: Accurate incisions and interfaces provide perfect applicability, easy to install. Adopts high-quality materials to avoid corrosion and wear effectively, durable e. The professional chip set provides excellent performance in the system. Easy to operate, anti-aging and prolong service life. electronic components, stable and reliable. Specification: Item Type: Step-Down Module Material: ABS Color: As Pictures Shown Item Size: Approx. 6.5 * 4.2 * 2.5 cm / 2.6 * 1.7 * 0.9 inch Package List: 1 * Module Note: 1. Keep the voltage difference between input and output above 2V. 2. Long-term working current is recommended within 5A, if the power is too large, please increase the fan or other ways to enhance heat dissipation. 3. This module is a step-down module, not a step-up module.