Features: - This is a light tube of high brightness, which can reach up to 720lm, equivalent to a 18W fluorescent tube. - Adopts 45pcs of 2835SMD LED, high luminous efficacy up to 80-90lm/w, eco-friendly and energy saving. - Uses aluminum heatsink structure to prolong the tube's service life. - With 2G11 socket, it can replace the traditional fluorescent light tube. If the fluorescent tube has starter, please remove it before replacing. - Adopts constant current isolating power source design, easy and safe to use, long lifespan. - Widely used in indoor and outdoor. - This product has power supply inside. Just connect it with electricity to work. - It CANNOT directly replace the original fluorescent light tube. The original starter should be removed before replacing.