DONGKER Aquarium Chiller Fan,USB Wall Mounted Fish Tank Cooling Fan with 2 Speed Modes Low Noise for Shrimp, Coral, Tropical & Saltwater Freshwater (Up to 10mm Thickness)

Manual Screw Mounting: Features a back clamp with manually tightened screws to securely hold onto glass or acrylic tank walls (thickness ≤ 1 cm). No drilling required; installation and removal are flexible. Ultra-quiet Use: Optimized silent motor design produces using noise of only about 30 decibels, creating a quiet environment that avoids disturbing fish and reptiles, and providing you with a peaceful space . Two-speed Adjustment: Low-speed mode provides gentle air circulation, while high-speed mode cools the water quickly. Easily adapts to different seasons and water temperature needs, effectively alleviating high-temperature issues in aquariums during summer. USB Low-voltage Power Supply: Powered by a 5V USB port, fit chargers, power banks, or computers. Low-voltage use ensures greater and lower power consumption, making it suitable for long-term use. Versatile For Multiple Settings: Suitable for freshwater and saltwater aquariums also for reptile enclosures, terrariums, and other enclosed environments. It promotes air circulation and aids in cooling and oxygenation., Weight: 0.220462262 pounds, Manufacturer: DONGKER