... ) Adjustable operating brightness11) Applying new white LED technology, high utilization of transferring the electricity ... Low-Power and SMD component design.2 - Color of product: White, silver.3 - Feinieer ... 4 - When background bright is insufficient, LED lamp will automatically switch on if human passes.Delay ... 20s, 60s, 90s, Contant (emergency lamp).5 - hi-light LED: 6 pcs, luminance: 12000~15000MCD, ...