Description Specification: Solar panel type Monocrystalline silicon Output interface DC / USB Size 42*28cm Power 80W Controller current #1: 60A, #2: 80A, #3: 100A Features: 1. Built-in industrial microcontroller.2. Large LCD display, all parameters are adjustable.3. Complete 4-level PWM charging management.4. Built-in short circuit protection, open circuit protection, reverse connection protection, overload protection.5. Dual port reverse current protection, low heat generation. Package included: 1 x Solar Panel1 x Controller(Optional)1 x Clip1 x Car Charging Cable1 x User Manual 4 x Suction Cup