Specification:     
1.Voltage:AC220-240V OR 110-130V
2.Diamension:123mm*H135mm
3.LEDs:16/21PCS or according to your instructions
4.Color:Red/yellow/blue/white(5000K-7000K OR 7000-9000K)/warm white(2700-5000K)
5.Diameter:50mm
6.Rated lifetime:50000hours

Paramters:
1.Power :1-2W

Features:
1.Constant current circuit design
2.Cool beams with no UV or IR radiation.
3.IP54,Indoor use only.
4.Long lifespan,energy-saving,environmenta friendly,low power consumption,low heat and low cost.