Utilizing highquality LEDs from SamsungSeoul SemiconductorOsramLumiledEverlight ensuring excellent performance Promoting faster growth higher yields and better quality of medicinal plants while saving energy and being environmentally friendly with a perfect spectrum for plant growth and a long lifespan Power W 222530 Voltage V 100277120220240 Power factor 09 IP65 waterproof Life span 30000 hours 3 times longer than HQ Compact lamps and 15 times longer than incandescent lamps KC certified can apply for other standards as requirements Warranty 2 years OEM accepted