Brand new and high quality. Low power consumption and high brightness. Energy-efficient. Low calorific value. Long service life. Compared with traditional fluorescent tube, it does not flicker. An ideal light source to replace traditional lamp. Suitable for home, office, office building corridor, museum, exhibition hall, convention center, waiting hall, dining hall, market etc. use. Specification Base: T5 Material: aluminum + PC engineering plastics Lamp bead type: SMD 2835 Lighting color: white /warm white Color temperature: warm whhite 2800-3200K,white 5500K-7000K Voltage: AC 110-240V Power: 6W Length: 300mm Width: 22mm Height: 34mm. Power: 10W Length: 600mm Width: 22mm Height: 34mm. (To ensure the using life of the bulb, we suggest that do not keep the bulb continue working for more than 16 hours) Factory direct sales,accept lots custom-made . If you need lots custom-made ,you may contact us, we will reply asap ,thanks ! Pack:1PCS