Megaman are the makers behind these extremely compact ping pong bulbs. They are virtually identical to standard GLS golf ball bulbs but offer higher efficiency & extremely longbulb life. A energy rated. These bulbs have the highest energy rating available, A, meaning they are working very hard to give maximum light output at a very low wattage just 7 watts, which is the same as 35 watts of tungsten halogen light. Robust build Silicon sleeving gives added safety in case of breakage, so these bulbs are robust, as well as coming in both bayonet & small screw cap. They are ideal in areas where shards of glass could pose a serious risk, such as in childrens play areas or food preparation areas. These bulbs are not suitable for dimming or for use with dusk to dawn sensors or timer switches. Be on the safe side. Dont take chances with your lighting in areas where a broken glass bulb could be a big problem. Our expert buyers are happy to bring you this extra-durable bulb for total peace of mind. Order yours today.