Best to Buy Super Bright - Lithium Battery - 20SMD3528 Dimmable LED Solar Shed Light - Power Adjustable Plug & play concept. Install within minutes. Portable, easy for travelling. and place them under the sunlight for charging. Application: RVs, cabins, homes, gardens, camps, snack bars, back-up, electronics and emergency use this section high brightness spotlights very in : garden , corridor , road , signatureless , trees and hotel , toshao and villa . product characteristics : eco-friendly , long life , durable , ultra-high brightness , repair low rate , controlled automatic sensor . product : solar bulbs system Strong pull string for adjusting the power and switching ON/OFF the light, suffering thousands of times. 2w solar panel with 5M wire Working time : continuous 5~6 hours @ Full power, 10~12 hours @ medium power, 15~18 hours @ low power. After full charged