Diameter: DIA.106mm (4.17 in.)
Depth: 78mm (3.07 in.)
Open Hole:DIA.92mm(3.62 in.)
Beam Angle: 30°/ 60°
Available Colors: Pure White (5500-7000K) and warm white (2700-3500K)
1W EPISTART:  80-120LM/LED 
1W EDISON:  80-120LM/LED
1W CREE: 70-110LM/LED
Power Consumption: 7W (7*1W)
Input Voltage: AC 90-130V/AC 200-240V
UV or IR radiation: None
Lifespan: 50,000+ hours

This light has below advantages: Aluminum body with excellent thermal handling design, wide range of input voltage: 90 - 240V, in addition to its compatible lamp holder, it's easily applied to replacement of old halogen lamp.
High brightness with powerful LED light source to achieve the illumination purpose, low power consumption, save energy and low maintenance cost, excellent heat Aluminum sink and stable circuit design, brightness degradation(less than 3% for white light), no UV, no IR radiation, no mercury.
It is widely used in super market, hotel, tavern, night club, disco hall, karaoke room, coffee house, bank, meeting room, exhibition hall, exhibition wardrobe, show window, living house, Boat lighting, accent lighting, display case lighting, under cabinet lighting and art lighting.
After installing the directional LED downlights, you can forget about needing the ladder for a while, as these LED ceiling fixtures have an average life expectancy of 50,000+ hours. Constantly changing your halogen lights every few months will be a thing of the past, and you can breathe easy knowing the amount of money you'll be saving, while also saving the environment.

This product is made up of Seven1watt high power LED

EPISTAR: Made in TAIWAN and encapsulated in CHINA. Brightness degradation: 7 %-10% after 1000 hours

EDISON: Made in TAIWAN, original imported. Brightness degradation: 5 %-8% after 1000 hours

CREE: Made in U.S.A, original imported. Brightness degradation: 3 %-5% after 1000 hours

JX LED Driver: Medium quality LED Diver. Fault rate: 0.3%-0.7%

LF LED Driver: High quality LED Diver.  Fault rate:  0.1%-0.3%

Datasheet of each version LEDs:

EPISTAR-1W-Warm-White.pdf
EPISTAR-1W-Pure-White.pdf
EDISON-1W-Warm-White.pdf
EDISON-1W-Pure-White.pdf
CREE-1W-Warm-White.pdf
CREE-1W-Pure-White.pdf