1. Vde certificate for 120cm 150cm, certificate no.: 40034520. 2. High lumen, high efficiency, over 3000 lumen at 28w-30w, more than 100 lm/w. 3. Great heat dispersal, working temperature rising is only 20 degree. 4. Adopt super bright smd3528/smd5630 leds, high luminous efficiency, standard luminous efficiency and so on. 5. Rotatable end cap. 6. Replaceable cover. 7. Built in special led driver with constant current supply to ensure longer operating life. 8. Perfect housing: aluminum &pc, optional covers, clear cover, striped cover and frosted cover and striped frosted cover. 9. Special design of structure : "p" and patented "v" shape, especially "v" model, larger beam angle, perfect light distribution. 10. Lifespan: >50000hrs 11. Warranty: 3 years 12. Certification: vde(1200mm/1500mm)/ce/rohs Technical parameter Dimension: 600mm, 1200mm, 1500mm Led quantity: 34~~480pcs Lumen: 1000~~3500lm Output power: 10w~~35w Cri: >80 Cct: 3000k/4000k/5000k/6000k Power factor: >0.95 Voltage: 180-250 vac Working frequency: 50/60hz Working temperature rising: 20 degree Environment temperature: -10~40 degree Material of body: Aluminum &pc cover Led type: Osram5630, hl3528 Color temperature: 3000k~~15000k Beam angle: P 120 degree / v160 degree Lifespan: >50000hrs Warranty: 3 years Certification: Vde(1200mm/1500mm) / ce/rohs Carton, also can meet customers different requirements