This product has 20 leds lamp, it is suitable for home, indoor, outdoor, garden, it is energy-saving, environmental protection, waterproof and durable, easy to use, it uses the sun to charge.Easy to install it on walls,tress,metal and glass.Using grade A+battery cells,large capaolty long standby.Intelligent sensing system provides overcharge,over voltage,short circuit and more security protection.And choose a place that make sure the solar panel can absorb sunlight. It has two modes:1.Dim light+human induction +light control 2.human induction+light control .