1、Clamp Light: This clip on light is suitable for tanks with glass thickness ≤10mm, 3‑6‑gallon frameless fish tanks. Please measure the glass thickness before purchase. 2、Energy Saving LED Beads: Equipped with 1W high brightness LED bulbs, providing bright light for plants and fish, creating a healthy growth environment. 3、Natural Lighting Effect: Mimics natural sunlight for not only small fish tanks but also aquatic plants, promoting photosynthesis and enhancing plant growth. 4、Space Saving Design: Adjustable screw clamp design allows for mounting anywhere on frameless tanks without taking up space. Convenient USB 5V power supply for easy installation. 5、360° Adjustable Light: Flexible silicone gooseneck allows easy adjustment of angle and position to suit your tank, providing optimal lighting for your aquatic life. Item Type: Aquarium Clip On Light Power Supply: USB Plug 5V Glass Thickness Requirement: <10mm Material: Aluminum Alloy + Silicone Soft Tube Control: Button Switch Dimmable: Long Press Button for Stepless Brightness Adjustment Weight: Approx. 210.00g / 7.41oz 1 x Aquarium Clip On Light