Input Voltage:100-240V AC/50Hz-60Hz
LED Current Limiter:300 mA
Power:4*1W 
Dimmable with wall standard dimmers( TRIAC DIMMERS)  while equiped with our external transformers
LED brand: CREE LED
Output Luminious: 275lm
Size:49.7mm(diameter)×61mm(height)
Beam Angle:40°, 60°
Color:Cool White,Nature White,Warm White,
Color Temperature:2700k-3500k ( warm white),6300K-6700K(white)
Operating Temperature:-20℃-55℃
Operational Life:80%lumen maintenance @ more than 35,000hours
Weight:56g
Housing & Lampshade:PMMA and aluminium
Bace Type:GU10