Feature: 1. Made from premium quality metal that is wear resist, rust proof, High quality and sturdy. 2. The machine running is quiet suit for indoor use provide a comfortable environment. 3. With large area of heat dissipation design, larger contact surface with the air and higher heat dissipation efficiency. 4. Low power consumption save energy and save money. 5. Perfect for the cooling of fish tank and aquarium. Specification: Features: 120W/180W high power semiconductor chiller kit, easy to use. Made from premium quality metal that is wear resist, rust proof, High quality and sturdy. The machine running is quiet suit for indoor use provide a comfortable environment. With large area of heat dissipation design, larger contact surface with the air and higher heat dissipation efficiency. Low power consumption save energy and save money. Perfect for the cooling of fish tank and aquarium. Specifications: Power: 120W / 180W (Optional) Material: Metal Item Size: 162 * 150 * 97mm / 6.38 * 5.91 * 3.82in Item Weight: 684g / 1.51lb, 738g / 1.63lb Package Weight: 835g / 1.84lb, 889g / 1.96lb Package Size: 23 * 16.5 * 13.5cm / 9.06 * 6.50 * 5.31in Packing List: 1 * Aquarium Water Chiller Package List: 1 * Aquarium Water Chiller