... battery9) Adjustable delay time10) Adjustable operating brightness11) Applying new white LED technology, high utilization of transferring the electricity into light12) ... >3 M.4 - When background bright is insufficient, LED lamp will automatically switch on if human passes.Delay time: 20s ... , 60s, 90s, Contant (emergency lamp).5 - hi-light LED: 6 pcs, luminance: 12000~15000MCD, angle: 20 ...