This uv disinfection light is made of quartz and glass material, featuring long service life, high transmission rate and better sterilization effect. It can be widely used in sterilizer, air purifier, aquarium, medical disinfection machine and etc.Feature- Color: White. - Material: Glass. - Size: 23.5 x 3 x 1.8 cm. - Power: 11W. - The selection of imported high purity quartz tube, high ultraviolet transmittance, strong bactericidal ability; - Built-in anti-interference capacitor, 110V/220V optional; - Built-in G23 universal lamp holder, plug and play, convenient and quick; - This ultraviolet sterilization lamp is widely used in disinfection, sterilization, deodorization, purification equipment, medical disinfection machine, air purifier and aquarium disinfection, etc. - Warm Tip: Dear buyer, due to lighting effect, monitor& 39;s brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand Thank you Packing list2 x UV Light Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.