Features: Strip of 300 LED Ice White LED lights with battery pack. Automatic on/off timer function with 4 settings (4hr/6hr/8hr/10hr) Low-power, high-endurance LED lights for energy-efficiency. Comes with eight-function controller with memory chip. Suitable for indoor & outdoor use. Specifications: Battery to First Bulb: 50cm Bulb Spacing: 8cm Total Length: 24m Green Cable 4 x AA Battery Required (Energizer Batteries Inc)