The cost performance of our this 100W 5600K COB LED is better than YUJI COB LED.
 

How to use our COB LED to DIY Floodlight or LED Project Lamp, please see our friend "DIY Perks" DIY Video at his youtube channel:

Make a 1000w equiv. LED flashlight - aka DIY Sun-Blaster!: https://www.youtube.com/watch?v=c--5c3Egv4E&t=1s

DIY Studio Light | CRI 90+/95+ | 100W: https://www.youtube.comwatchv=okU-M9NY-hI

FEATURES:

• External Dimensions: 28.0mm x 28.0mm x 1.0mm
• Internal Structure: Aluminum Base Chip on Board
• IConnection to Heat Sink: By M3 screw (Recommended)
Voltage: 34-36V 2.5A(2.7A MAX), Luminous(lv):9500-11500lm.
• Available in ANSI bins as well as 3-SDCM bins at 3200 K, 5600 K 5-SDCM bins at 5700K and 6500 K CCT

Outdoor applications:
  1: Stage Light
  2: Outdoor & Engineering lighting
  3: Public lighting
Indoor applications:
  1: Stage Light
  2: Decorative lighting
  3: DIY LED Flashlight or Floodlight
 
Package Included: 1 x Only 100W Daylight 5600K COB LED(without lens,base support shown in pictures)

Factory Testing Report:


QQ截图20200830102430100W-COB 拍照效果
 

Our Customer use our COB LED to DIY this projection lamp

DIY
100W-COB DIY投影灯-1_wps图片100W-COB DIY投影灯-2_wps图片100W-COB DIY投影灯-3_wps图片100W-COB DIY投影灯-4100W-COB DIY投影灯-5_wps图片
Spotlight effect
Spotlight effect-1123