... 5,7.5,10,15,20,30minutes setting2.Power switch display-by LED3.Three phases induction(24H/DAY ... .3.Insert latop metered aerosol can and turn power on using external switch. ( Danger : Aerosol can will spray ... when power is first switched on. )4. Set desired ... light sensor to required day/night/24hr setting using switch.Note:1.Place unit as high as ...