Brighten up any space with these Metal Ball Solar Lights Choose from a pack of 20, 30 or 50 lights Choose from gold and silver metal balls Pick from warm and multi-colour light colours  Waterproof and solar-powered  Save on both energy and utility costs  Ideal for both indoor and outdoor decorating  Charging time: 6 hours  Length between 2 bulbs: 20 LED:15cm, 30 LED:10cm, 50 LED:10cm During the daytime, the solar panel gets sunlight and converts it to electrical energy  Buying Options:  11.99 pounds instead of 19.99 pounds for 20 lights - save 40%  20.99 pounds instead of 24.99 pounds for 30 lights - save 16%  23.99 pounds instead of 29.99 pounds for 50 lights - save 20%