Features: Strip of 100 LED warm white LED lights with battery pack. Automatic on/off timer function Low-power, high-endurance LED lights for energy-efficiency. Comes with eight-function controller with memory chip. Suitable for indoor & outdoor use. Requires 3 x AA batteries, not supplied. Specifications: Battery to First Bulb: 40cm Bulb Spacing: 10cm Total Length: 10.4m Bulb Rating: 3V 0.06W Set Rating: 6W Requires 3 x AA batteries (not included).