Specifications: Material: Copper Wires+ABS Switch: ON/OFF (Under the panel) Power: Solar panel Storage Battery: Ni-MH 1.5V/AA800mah battery Waterproof Level: IP45 Charging time: 6-8h in direct sunlight Working Time: 6-8h after fully charged Package: 3 x Solar Firework Lights How to maximize your outdoor solar firework lights? 1.Locate to Highlight Garden Features: Decide what it is you want to illuminate. If it is a pathway, the lights should be installed relatively close together to show which way the path goes. For the object, the light needs to be close enough to show off the object. 2.Avoid Obstructions: One thing to be careful about when installing outdoor solar lighting is not to place the units in the path of lawn mowers or edgers. 3.Maximize Available Sunlight: Place the light where they will absorb the maximum hours of sunlight each day. Make sure that branches and overhangs don’t shade the small solar panel on the light unit. Note: 1.Install the solar firework lights correctly where it can get direct sunlight. It can only be charged after "ON / OFF" is set to "ON". 2.Keep the surface of solar panels clean, the dust will affect the charging efficient 3.Waterproof design is limited to rain and moisture, do not immerse the product in water for a long time. 4.Duration of solar firework lights depend on solar product’s level of sunlight exposure, geographical locations, weather conditions and the hours of daylight. 5.If solar firework lights do not light up after it has been used beyond 8 - 12 months, remove and replace the rechargeable batteries.