Ltpgtthis integral 65w retro fit led auto sensor classic globe gls large screw base delivers a warm light equivalent to 40w because security lighting is on an average of 12 hrs per day you can save over 20 gbp29 eur per bulb per year on energy it automatically switches on at dusk and off at dawn with dual 360 sensors to detect daylight from all angles ideal for external porches walkways paths and patios to be used in suitable enclosed outdoor fittingsltpgtltulgtltl