1. Mini and Compact: With a mini and compact design, it does not take up space and is very suitable for small aquariums or as local fill lighting. It can be easily installed on the edge of the fish tank to provide necessary light for aquatic plants and fish. 2. USB Plug-in Power Supply: Using a USB plug-in for power supply, it is flexible to use and can be connected to a variety of power devices, providing lighting for your fish tank anytime and anywhere to meet your daily use needs. 3. High-brightness Fill Light Effect: It has a high-brightness lighting ability, which can provide sufficient fill light for the aquatic plants in the aquarium, promoting the photosynthesis of the aquatic plants, making them grow more lush and making the entire aquarium more translucent.