Essential Clip On Aquarium Light: Light is made of aluminum alloy material and high brightness 5730 lamp beads; bracket material is sturdy ABS; The lamp panel is filled with glue to increase the waterproofing of the lamp; best partner for fish tanks 3 Type of Lighting Color Mode and 10 Adjustable Brightness: This lamp have three lighting modes, white light, Blue light, full spectrum light; There are 10 light brightness options available in each color modes,10-20-30-40-50-60-70-80-90-100 Time Funcation: Three time period timing,6H,10H,12H; Once the timing period is set, it will automatically cycle every day; For example, if the timer is set at 9:20 am for 6 hours, the lights will turn off at 15:20 am today and automatically turn on at 9:20 am the next day.Reduce your workload and ensure sufficient lighting time in the fish tank 247 Sunrise and Sunset Mode: Only full spectrum mode and brightness cannot be adjusted; The light change is divided into four stages; Stage 1- the light brightness gradually increases from 5 to 100 within 3 hours; Stage 2-100 brightness for 6 hours; Stage 3- Light brightness decreases from 100 to 5 within 3 hours; Stage 4- Light changes from 5 full spectrum to 5 blue light mode and maintains for 4 hours, and finally turns off the light Detachable Bracket: It can be suitable for any thickness of fish tank,fixed tightly and without damage to the glass acrylic etc fish tank; the lamp body and lamp holder are very flexible, and the length of the lamp ext...