Youngerbaby 6 Pieces Yellow Solar Power LED Light Candles, Flameless Flicker Solar Electronic Nightlight Powered-Plastic Candles for Outdoor Hiking Camping, Yard, Outdoor, Wedding, Party 1.How to charge: Turn on the switch of candles on the bottom,Put the top of candles under the sun,then it will charge automatically. 2.Size: 5.2cm(diameter)*5.8 cm(Height) / 2 inch(Dia)*2.3 inch(Height) 3.Usually charge 5 hours can use 10 hours,but it is up to the power of sun(weather) 4.How To Use: First need to turn on the switch of candles,and candle will light up in the dark environment. 5.Usually used with lartern (No waterproof)