€ 130.60 VAT. 25.5%
LED outdoor wall light fixture — VIISTO 2, water resistant IP55, matte black, 2x11W, 3000K, CRI94
temporarily out of stock
SKU#: Wall-VIISTO-2-black
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This outdoor (IP55) luminaire has a 2x7W LED light providing 2x600 lumens of light output. The VIISTO 2 creates an atmosphere and effectively accentuates wall structures and architectural details.
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€ 171.05
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- Delivery status In Stock
- Brand Ledstore
- Breadcrumbs Home Led LightsLED wall lightsBlack wall lights LED outdoor wall light fixture — VIISTO 2, water resistant IP55, matte black, 2x11W, 3000K, CRI94
- Category Black wall lights
- SKU Wall-VIISTO-2-black
- Lumen 1000
- Direction Kahteen suuntaan
- Wattage 22
- Colour temperature (K) 3000
- Light control One colour
- Colour rendering (CRI ±3) 94
- IP class IP55
- Colour Matte black
- Angle of light opening 40
- Immennys Not dimmable
- Adjustability Not adjustable
- Voltage to driver (V) 208
- Guarantee (year) 3 years
- Life span 35000
- Installation method Surface mounting
- Format Round
- Installation level Wall
- Region Exterior
- Designed in Finland No
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Customer questions
- What is the lifetime of wall lights?
- Are wall lights dimmable?
- What brand of led wall lights are you using?
- How to fix led wall lights to the wall?
- Which led wall lights go out?
WHAT IS CRI, THE COLOUR RENDERING INDEX
High quality LED lights also have a high colour rendering index, or CRI. A good colour rendering index (CRI) for home use is above 90, and nowadays many market lights are unfortunately closer to 80.
CRI tells you how well an LED light displays colours as they should be. For designers and architects, as well as interior designers, it should be one of the most important considerations. Make sure the lighting is perfect so that your artwork is what it is meant to be.
Colour rendering index
The colour rendering index is expressed as a number on a scale from zero to 100, where 0 = no colour rendering and 100 = full colour rendering. The colour rendering index of LED lights is also known as Ra, which is measured on a smaller scale than CRI. This Ra value does not include red tones or skin tones, for example, so it is a 'glossed' figure for the true quality of an LED light.
RA value
The Ra value measures the reproduction of colours using eight different reference colours. CRI takes into account the wider (15) wavelength range, including reds and other warm colours.
The Ra value is calculated by cutting the wavelength range, weighting the blue and violet tones, and calculating the weighted average of R numbers 1-8.
Excluded from the Ra value are, for example, the colour rendering of bright reds, yellows and greens, and shades close to skin tone. These are described by R-values between 9 and 15. The following is a picture of a measurement result that easily confuses the consumer.
This measurement is from a 9W CCT Led spot
Read more on this topic:
Colour rendering of LEDs - What is the difference between CRI and Ra-value?