... 4.Less heat phenomenon 3*1w Mr16 led spotlight,led lamp 220V1.Energy-saving and low cost.the LED cup light ... 80%.2.Life expectancy 50,000hours,is 10times of traditional lamp cup.it canbe used very long time,no need to ... is very easily broke if fluently switch on and off.6.Conveniently instantion.Used standard lamp holder,directly changehalogen,incandescent and fluorescent ...