‎3 inches

【3 YEARS WARRANTY & EASY TO INSTALL】 Worry-free purchase Favorwe solar street light. We’ll reply you within 24 hours to answer all your questions and resolve all the problems. Street light, solar panel, pole and hardwares are included. IF YOU FIND THAT SCREWS OR OTHER REQUIRED HARDWARES MISSED, PLEASE CLICK OUR ‘SELLER NAME’ WHICH IS UNDER THE BUTTON ‘Add to C-a-r-t’, THEN, CLICK THE BUTTON ‘ASK A QUESTION’ TO FIND US. We’ll ship a new one to you for free, or partial/full r-e-f-u-n-d to you.
【SUPER BRIGHT STREET LAMP】 450W commercial solar parking lot lights 32500LM with 120° ultra-wide angle lamp beads can illuminate up to 4500sq.ft irradiatioin area at the height of 13-19ft.
【30000mAh LARGE BATTERY & EFFICIENT SOLAR PANEL】 Commercial LED solar powered street light uses polycrystalline silicon photovoltaic panels with the high photoelectric conversion efficiency. Build-in 3.2V 30000mAh lithium battery can work continuously for 14-16 hours after 6-8 hours fully charged. NOTE: PLEASE TURN ON THE SWITCH OF SOLAR STREET LIGHTS AND CHARGE IT IN DIRECT SUNLIGHT 6-8 HOURS.