A. Features: Material is wear-resistant, not easy to break, durable and can be used for a long time. B. Easy to Use: One-click setting, automatic memory function. Digital display, built-in industrial microcontroller, more convenient to use. C. Safe to Use: 4-level PWM charging management, built-in short circuit protection, open circuit protection, reverse connection protection, overload protection, reverse current protection, low heat generation, safe to use. D. Wide range of applications: can be used in solar power generation systems, smart homes, solar chargers, solar ventilation systems, solar light boxes, solar billboards, solar warning lights, etc. E. Durable: With dual USB port charging, this voltage regulator is only suitable for lead-acid batteries: OPEN, AGM-battery, GEL. F. Notice: 1. Actual color may be slightly different from the image due to different light effect. 2. Please allow 1-3cm deviation due to manual measurement. G. Material: PVC. H. Size: 13.3*7*3.5cm. I. Standby current: