1)Base: E27,GU10
2)Light source: 3*1W, 5*1W  high-power LED
3)Input Voltage: AC85-240V
4)Output Lumen:150-300lm
5)LED Current Limiter:350mA
6)Working temperature:-20-55C
7)Color Temperature:6000K
8)Operational Life:50000 hours
9)Beam angle:15-45degree
10)Suitable for indoor use
11)CRI=>75
12)Certifications: CE and RoHS
13) Suitable for residential and commercial lighting, especially illumination of light sensitive objects in shop-windows