Features: Battery-powered LED chaser lights with automatic on/off timer function. Set of 200 ice white LED lights with battery pack. Comes with eight-function controller with memory chip. Ideal for hanging around windows & doors, wrapping around trees & hanging from bushes. Suitable for indoor & outdoor use. Specifications: Battery to First Bulb: 40cm Bulb Spacing: 10cm Total Length: 20.4m Bulb Rating: 3V 0.06W Set Rating: 12W Requires 3 x AA batteries (not included).