The solar controller is suitable for solar green light, solar light box, advertisement board etc. Comapct design and easy installation. What are you waiting for? Just come and buy. Features: Developed for the voltage instability of solar panels, reliable and long-lasting use. The solar controller features dual USB ports/ 1 * Type-C output/ 1 * D C output meets your diverse needed. Comes with pilot lamp design informs you its working status ASAP. Compact design, lightweight and easy installation without professional skill. High conversion rate, high output consumption, quick c-harging for better use experience. Specifications: Main color: black Main material: ABS Input voltage: 5-30v Output voltage: USB output 5V type-C output 5V Output current: 3000 mA (max) DC output: equal solar output voltage Product size: 65 * 45 * 15mm / 2.6 * 1.8 * 0.6inches(Length * Width * Height) Package size: 80 * 50 * 30mm / 3.1 * 2 * 1.1inches(Length * Width * Height) Package weight: about 35g / 1.2ounces Packing List: 1 * Solar Controller 1 * Bottom Shell 1 * Panel Shell