Diameter: DIA.137.4mm (5.41 in.)
Depth: 70.8mm (2.79 in.)
Open Hole:DIA.114mm(4.49 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: 9W (9*1W)
Input Voltage: AC 90-130V/AC 200-240V
UV or IR radiation: None
Lifespan: 50,000+ hours

It has a high-class Cree or Edison or Epsitar power LED as light sources. This makes it’s a brightness and energy saving and the cool light source, will not bring about fire disaster, burn objects or human bodies.
The superior aluminum alloy material with superior appearance and good heat dissipation, which make it light up to 50000 hours, comes with 1yeas or 2years guarantee time; Specific design to be in ceiling mounted for downlighting applications, directional and adjustable are available. We get CE & RoHs certification for our downlight products. It can be used for lighting in family, school, office, showing Room, meeting Room, ect..

This product is made up of Nine1watt 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