30Watt Monocrystalline Solar Battery Panel Expansion Kit - 30Watt Monocrystalline panels are the most efficient solution, over all models, at converting sunlight to electricity. ensures high performance of the solar module and creates more power in peak hours. The anti-reflecting coating and high transmission rate glass increases the power output and mechanical strength of solar module. Torsion and corrosion resistant anodized frame ensures dependable performance, even through harsh weather conditions. Lightweight with pre-drilled mounting holes for easy installation. Designed specifically to meet customer's demands for residential, commercial, and industrial use. Kit Includes: 9foot Lead Wire Off Junction Box, 3foot Open Wire with E-Z Connect, 3foot Aligator Clips, Mounting Brackets, Mounting Screws. Corrosion resistant anodized frame. Dimensions: 21inch L x 16inch W x 1inch D. 1 per package.