1. This wonderful string light illuminates during night, ideal for decorating your gardens, patio, lawn, porch, gate, yard, etc. 2. Super long working time, it can continuously work more than 8 hours at night if the panel absorbs enough sunshine during day. 3. Waterproof, suitable for indoor and outdoor use. 4. Made of high quality copper wire, flexible, IP65 waterproof, durable for daily use. 5. Low heat generating, energy-saving and environmentally friendly, safe to use.