Detailed offer Description Product Description: 1. Use 3528 SMD LED as light source; The light attenuation of the SMD LED is better than DIP LED 2. Use aluminum circuit board; (MCPCB) The heat dissipation ability of the MCPCB is better than FR4;3. using aluminum alloy shell, with frost cover; Have good heat dissipation ability and the light output looks like traditional fluorescent tube. 4. Embedded constant current driver power supply;5. The standard 4 foot length,compatible with the traditional fluorescent lamp 6. AC220/AC110 input 7. CE and ROHS certification 8. 200 pcs SMD LED 9. We supply high brightness and normal brightness version, It can meet demend of vairous customer