Stable Fixation: This aquarium spotlight uses a strong suction cup to attach securely to glass walls. Repositioning is easy, and the light stays fixed once set. Color Options and Control: brightness LEDs provide white, red, blue, or color gradient options. Switching is quick via a simple manual button or a remote. Plant Growth Friendly: Low heat, harmless LEDs deliver gentle light that supports aquatic plant growth over the long term without raising water temperature. Simple and Flexible Design: The fixture rotates 180 degrees to fit on the tank wall. Plug in and adjust irradiation direction to cover every corner of the tank for even illumination. Use scenarios: Planted freshwater tanks: promotes plant photosynthesis while enhancing color and visibility. Nano or small display tanks: easy to install and adjust for dramatic evening ambiance with color modes. Home or office fish tanks: attractive lighting that highlights fish while maintaining safe water temperature.