Ltpgtphilips master led spot gu10 delivers huge energy savings and minimises maintenance cost without any compromise on brightness these are compatible with most existing fixtures with a gu10 holder and designed as a retrofit replacement alternative for 35w halogen lampsltpgtltulgtltligtbulb shape par 16ltligtltligtbulb finish frostedltligtltligt4w 3000k warm white lamp with 25 000 hour average lifeltligtltligtdimmable with leading edge dimmerslt