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1. Product name
2. Product description and application
The OYS-28A series are used for general lighting. 
They are rated at 28W and can easily replace existing 36W circular fluorescent fittings. 
Dimmable version is also available.
Colour temperature 3000K & 5500K.
Opal polycarbonate diffuser.
3. Features
- Long life 
- UV free, harmless for paintings and antiques
- 50% energy saving
- No multiple Shadow
 (available in Aluminum or pure opal cover)
4. Applications
- The luminaire is an excellent solutions for residential lightings.
- LED technology can be used in areas where UV ray or sparks need to be controlled or forbidden.
- The excellent solution for extended lighting, help decrease the cost of energy.
5.1 LED
LED quality: Epistar
LED type: SMD5670, 
LED viewing angle: 120 degrees
LED colour: Cool white (CW) 6000K
                   Warm white (WW) 3000K
LED luminous flux: 120 lm/w for CW
                              105 lm/w for WW
CRI: > 80%
LED lifespan: rated 50,000 hours under standard test conditions
5.2 LED Luminous flux
Series Power No. of LEDs Lamp Lumen
Cool White Warm white
LUMOS 28W OYS-28A 28w 66/ 5670SMD 2350 lm 2150 lm