Easy to fix with powerful suction cups, firm and reliable. UV lamp with strong sterilization effect, UV transmission rate over 95%. High quality quartz tube and rubber parts with strong suction for fixing. This UV submersible lamp brings light to your aquarium. Mounting in the frame allows you to see the light without seeing the device. LED light bars provide the ultimate way to create a realistic underwater world for aquariums. Safe and Low Voltage: LED lights are 20% brighter and designed for long-term reliable performance. Attention: The sterilization lamp must only be used in the filter tank, not directly in the aquarium, otherwise the fish will be injured