This is a powerful LED lamp which uses a fan to ensure cool running. The LED chip is a Cree MX6 SSL LED which uses 10 Watts to produce a 36 degree beam of 384 Lumens.
50mm x H:57.9mm so this will fit in a normal 12 volt halogen fitting and uses 12 volts AC or DC.
The light colour is 3000K which is a warm white. A typical halogen is 2700K
Indoor Use - General Home Lighting, Offices, Hotels, Restaurants.