Lightahead 40 LED 8 Modes 7 m/23' Changing Color Solar Light String Heart Solar Fairy String Lights for Outdoor, Gardens, Homes, Wedding, Christmas Party, Waterproof These wonderful string lights use high efficiency solar panels, which can convert solar energy into electric energy and stored in the built-in battery. Environment-friendly Solar Powered lights with high energy conversion rate Solar powered panel is stood by a 20cm garden spike, with 2 switches, one is Power On/Off switch (After switch turned on, can automatic light control and charging) and another is Mode Switch (Flashing mode convert switch). Super long working time, it can continuously work more than 8 hours at night if the panel absorbs enough sunshine during day. Put under sunshine during the day, and it begins to light up at night. Great to use all year round Suitable for any Festival, indoor and outdoor decoration like home, garden, Christmas trees, parties, weddings, shops, hall, stage, etc.