1. lifetime is 30000h. 2. Size:D50*H52mm(2*2 1/8") 3.CE ROHS approval 4.4 leds 9W 10W 12W aluminum alloy LED spot light MR16Advantage:1.designed lifetime if 30000h. which is 15 times longer than tungsten halogen lamps2.this kind light adopt cold light source, so it's low heat, and can create a comfortable and healthy work place for users.3. can save more than 80% energy, it means a 5watt led spot ...