Magnetic led bar lighting strips Application for workshops, factories, office, shopping malls, large supermarkets, exhibition halls, warehouses, homes, hotels, schools and more. How to install it? The advantages of our magnetic strip retrofit kit 1.Permanent magnet on the back of the strip. 2. Up to 140lm/W (with cover); Up to 150lm/W (without cover), the attached price list is for magnetic strip retrofit kit with cover. 3. Non-dimming or 0-10V dimming as the option. 4. Max power is up to 72W. 5. Replace kinds of sizes fixtures. 1×2'，2×2'，3×2'，4×2'，1×4'，2×4'， 3×4'，4×4' 6. Small size. (Saving shipping cost) 7. Quick connect in 3 mins with magnetic. More products about us | ARK Lighting http://www.arkshine.com