Samyo 55ft 100 LED 2 Light Modes Waterproof Solar Fairy Lights String for Outdoor Gardens Homes Christmas Lighting Party (Warm White) Waterproof. Perfect for indoor & outdoor decoration, such as gardens, patio, lawn, yard, etc. Total approx 55ft (17M) with 100 LED lamp beads. 100 LED at 0.49 ft (15cm) spacing. Self sustained by sun lights. The solar panel Charge the battery during the day and the light turns on automatically at dusk. Environment-friendly and no electricity charges. With built-in NI-MH battery, Provide up to about 8 hours of continuous lighting at night. 2 different function modes : twinkling and steady on.