UP AQUA PRO-LED-SL-S Spotlight lamp (usb cable) Scissors This "fan shape" head is

This "fan shape" head is able to create vortex /ripples /agitation on water surface

The product has been thoroughly laboratory tested to ensure that no undesirable chemicals are released into the water

The cleaner helps to easily remove algae and other buildup without leaving any scratches

add 1 capful to the amount of solution that the doser will add in 2 to 4 days per 50 US-gallons (200 L) of marine aquarium water

strong suction

UP AQUA PRO-LED-SL-S Spotlight lamp (usb cable) Scissors This "fan shape" head isThe focal length is adjustable. Warm light, daylight and mixed light 3 colors are available. The brightness of each mode can be adjusted. Suitable for lighting in small stream ecological tanks. Rated Voltage: USB 5V Rated Current: 1A Rated Power: 2. 5W tank clip design allows light to be use on aquarium tank or bowl