... used to prevent over charging and to extend battery life. 1. Powered by High Lumen Super Long Range LED. There are ... Meeting Room, Exhibition Hall, Exhibition Wardrobe, Show Window, Living House. 1) Residential and commercial locations 2) Hotels, conference rooms 3) Factory ... elevator, all kinds of passageways, and so on. Advantages: 1) No Moisture while lighting. 2) Constant current drive power, safe ...