Features: Battery-powered LED chaser lights with automatic on/off timer function. Strip of 100 ice white LED chaser lights with a battery pack. Comes with eight-function controller with memory chip. Energy-efficient, high endurance LED lights for long-lasting, great performance. 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: 10.4m Bulb Rating: 3V 0.06W Set Rating: 6W Requires 3 x AA batteries (not included).