... . Long working time China Patent : 200830285891Solar LED Grave Light /Solar LED candle / Solar LED memroy Light1,Product size:D 6.5cm X H ... , Working time: about 65h after fully charged4, Provide a resemble candle flame.5, Safe to use indoor & outdoor, Don't worry ... , No smoke, No fire, No danger .7.CE & Rohs approval. Solar LED Grave Light