Was never used. Opened the box but never set it up. Can be connected together (up to 4 pieces) in a straight line or L-shape. Uses LEDs, which consumes up to 80% less energy and last 20 times longer than incandescent bulbs. LED emits low heat and can be used in narrow spaces such as drawers, shelves and wardrobes. Polycarbonate plastic Transformer electronic, fixed plug-in. Mounting screws and double-sided tape included. Cord length from plug to transformer 3.5 yds, from transformer to lamp 3.5 yds. Energy consumption: 3.4W. Built-in LED light source. LED life time approx. 20,000 hours. Light color; warm white (2700 Kelvin).