4W LED Spot Lamp(LED Spot Light) is equal to 50W halogen bulb.
4W LED Spot Lamp(LED Spot Light) has GU10, MR16, E27 and E14 Socket.

4W LED Spot Lamp(LED Spot Light) Specification
Model: OL-GU10-0401
Input Voltage: DC/AC12V, AC100-260V
Power: 4wattage
Power efficiency: 100lm/W
Luminious Flux: 440lm
LED Chip Brand: Epistar, Edison, CREE
Color: White, Warm White
Power factor: >90%
Color rendering Index: RA>80
Lifespan: 50, 000hours
Warranty: 2years

Model	OL-GU10-0401	OL-E27-0401	OL-MR16-0401
Socket	GU10	E27	MR16
Color	White/Warm White	White/Warm White	White/Warm White
Power	4W	4W	4W
Luminous Flux	320lm-440lm	320lm-440lm	320lm-440lm
Light source	1W LED	1W LED	1W LED
Input Voltage	AC90-260V	AC90-260V	AC/DC12V
Dimension(DiaxH)	50x61mm	50x57.5mm	50x44.5mm
Beam angle	30° /45° /60° /80°	30° /45° /60° /80°	30° /45° /60° /80°
Housing Material	Aluminium alloy	Aluminium alloy	Aluminium Alloy
Package	50pcs/carton	50pcs/carton	50pcs/carton
Life time	50, 000hours	50, 000hours	50, 000hours
Certificate	CE+ROHS	CE+ROHS	CE+ROHS
Warranty	2years	2years	2years