This is an Osram Sylvania EFR MR16 150 watt HLX bulb with a base of GZ6.35 2-Pin. These bulbs are most commonly used for stage and studio lighting, specialty lamps, and industrial lighting. The maximum overall length of thins bulb is 1.653 inches. It has a rated life of 50 hours, a color temperature of 3350k, and a filament of C-8.

Abbreviation Name	EFR
Ansi Code	EFR
Application (Market)	Projector - 8mm
Base	GZ6.35 2-Pin
Bulb Type	Halogen Bulbs
Color Rendering Index (CRI)	100
Color Temperature (K)	3350
Current Type	Alternating Current (AC)
Diameter (in)	2.008
Family Brand Name	XENOPHOT® (HLX)
Filament	C-8
Lamp Finish	Clear
LIF Code	A1/232
Maximum Overall Length (in)	1.653
Operating Position	p 90/15
Rated Life (Hours)	50
Shape	MR16
Voltage (V)	15V
Voltage (V)	15
Wattage (W)	150
Watt (W)	150W
Working Distance (in)	1.260