1.E27 lamp holder,220-240VAC 50-60HZ 2 ... broken by frequent operation.Product Features1.High efficiency and energy saving, low power;2.Hg free, environmentally friendly, no ... protection;4.40000 hours life span for LED light source.5.Protection level: IP20;6.Suggest to ... switch.Application:Indoor light source, which can replace traditional incandescent lamp, used for desk lamp, down light etc. Avoid to ...