Please take a look at this Youtube DIY Video that teach you how to use this step-down module to DIY Building a TRUE 4k home cinema projector (it’s awesome)
it's very useful and funny if you DIY by yourself.(Video from Web Celebrity “DIY Perks” at Youtube website)
DIY 4K Home Cinema Projector: https://www.youtube.com/watch?v=YfvTjQ9MCwY
The cost performance of our this 100W 5600K COB LED is better than YUJI COB LED. YUJI COB is too expensive
What is CRI:
Color Rendering Index, it describes how a light source makes the color of an object appear to human eyes,and how well subtle variations in color shades are revealed. The CRI is a scale from 0 to 100 percent indicating how accurate a "given" light source is at rendering color when compared to a "reference" light source.
The higher the CRI, the better the color rendering ability. Light sources with a CRI of 80 to 90 are considered good at color rendering. Light sources with a CRI of 90 or higher are excellent at color rendering and should be used for tasks requiring the most accurate color discrimination.
Product Parameters of 100W COB LED:
1: Brand of LED Chip: Sanan
2: CRI Ra: 95+
3: Color Temperature: 5400K-5700K(our customer testing report, 5600K, as below pictures)
4: Voltage (V): 36-38Volts
5: Rated Current (A): 2.5A, Max 2.7A, please note: in order to protect COB LED not burned, the working current must be limited to 2.8A, can not over 2.8A, hope you understand.
6: Material: Copper Brackets
7: Working Temperature: -30-60℃
Note: It will work more than 30000 hours if the working temperature is less than 60 Degree Celsius. So, they need to work wih heat sinks or Thermal Silica otherwise the light will die due to too much heat. Please see this our testing Video at listing page.
Here is our customer testing report on our 100W Daylight white COB LED
FEATURES of 100W COB:
1: External Dimensions: 28.0mm x 28.0mm x 1.0mm
2: Internal Structure: Aluminum Base Chip on Board
3: IConnection to Heat Sink: By M3 screw (Recommended)
4: RoHS Compliant
5: Available in ANSI bins as well as 3-SDCM bins at 2700 K,3000 K, 3500 K, 4000 K, 5000 K
5-SDCM bins at 5700K and 6500 K CCT
1: Stage Light
2: Outdoor & Engineering lighting
3: Public lighting
1: Stage Light
2: Decorative lighting
Feature of Radiator Heat Sink:
1: Heatsink Material:Copper & Aluminum
2: Size: Length x Width x High: 10cm x 5cm x 15cm
Feature of Radiator Cooling Fan:
1: Length x Width x High: 9cm x 9cm x 2.5cm
2: Bearings: high precision double ball bearings
3: Speed: 3400 RPM
4: Standard voltage: DC12V
5: Working Current: 0.18A
6: Fan interface: 3 Pin
7: Advantages: maintenance free double ball bearing, long service life, sufficient heat dissipation and wind pressure.
8: Application: chassis heat dissipation, CPU radiator, power supply fan transformation, water cooling heat sink, switch power supply heat dissipation
Please note: this listing is multi-option products, including COB LED or Radiator or Cooling Fan, please choose which one item you need to buy, you also put them one by one into your cart, and pay them together, we will ship them in one package together to you.
Package Included, it's up to your choice:
1 x 100W Daylight 5600K COB LED
1 x Radiator Heat Sink
1 x 9cm Cooling Fan