2 light emission modes: 30 white LEDs and 15 blue LEDs. Light up the blue pilot to display the fluorescent color of the coral shellfish, and the decoration effect is excellent. White light can kill bacteria and promote plant growth Length: 45cm Aquarium light, connector holder and power adapter Advanced Switch: The upgraded version of the Switch makes the operation more convenient and prevents bulb from d to be damaged thanks to energy saving and high quality: We use LED -SMD technology which offers very high quality, low light attenuation and energy saving. The lamp is made of ABS plastic, anti-oxidation LED lights: LED lights emit blue light or a mixture of blue and white light, creating a very charming atmosphere. saves more energy than traditional fluorescent tubes; With the lamp holder, you can hang the lamp anywhere in the aquarium. All spectra are carefully balanced to support plant growth and enhance the natural color of the aquarium. The three-position switch is convenient