1. Remote control 5 channels dimming. 2. 3w cree XPE 3535 chip. 3. Taking a unique optical lenses, having high efficiency, light uniformly, showing a rectangular beam, no dead angle in fish tank, 60 90 120 degree lenses. 4. Aluminum+PC material shell, salt spray proofing, it can use for saltwater aquarium. 5. Superior Waterproof design, IP65, fall into water in energized state, use normal after pick it up immediately. 6. All-round unrestricted free splicing, meets all power if you needs.