DESIGNED FOR OUTDOOR USE AND IT HELPS ENSURE YOU HAVE ENOUGH STAKE LIGHTS ON HAND TO EFFECTIVELY ILLUMINATE YOUR GARDEN OR WALKWAY, APP CONTROLLED SOLAR LED STAKE LIGHT,COLOUR-CHANGING WITH FUNCTIONS & WHITE OPTIONS, H: 16.9IN(43CM). MULTIPLE FUNCTIONS INCLUDING DIMMABILITY & DAILY TIMER. CHOICE OF 16 MILLION COLOURS INCLUDING PURE WHITE & WARM WHITE. SYNC MULTIPLE STAKES TOGETHER. SOLAR PANEL: POLYSILICON 3.7V 14500 600MAH LIFEPO4 RECHARGEABLE BATTERY INCLUDED. ITEM SIZE: 14 X 14 X43CM