Feature: 1. ABS flame retardant material, insulation, flame retardant and high temperature proof. 2. Just connect to the storage battery(red clamp to the positive, black to the negative) to observe your battery status. 3. Summer Model:It will lower the charge voltage and keep your battery from overcharging; Winter Model: The maintainer automatically increases the charging voltage, making your battery fully charged. 4. Using a backlit LCD display, the battery maintainer automotive clearly and visibly shows LCD screen displays charging status and battery status. 5. Connect the battery and plug it in (select the right mode), and it will charge automatically, and intelligent charging, full self - stop, allows you to use safely. 6. Repair all 12V lead acid automotive, marine and deep cycle batteries including AGM, GEL, SLA, Flooded in cars, trucks, SUVs, motorcycles, lawn mowers, boats, etc. Specification: Color: Yellow Material: ABS Out Parameter: DC12V6A Rated Power: 90W Charging Time: 5-10h Wire Length: 0.8m . Package List: 1 * Battery Maintainer Note: This battery maintainer is not compatible with lithium ion batteries.