Small aquarium cooling & heating system is used to create a healthy environment for aquarium animals & plants of fish tank. It adopts semiconductor refrigeration, which is environmentally friendly and emission-free, suitable for home breeding or small aquarium. Specifications: Plug Type: EU / US / UK (Optional) Submersible Aquarium Pump: EU Plug: Voltage: AC220-240V, 50Hz, 5W Hmax.: 0-85cm Qmax.: 350L/H Liquid Temperature: <35℃ US Plug: Voltage: AC100-120V, 60Hz, 5W Hmax.: 0-85cm Qmax.: 350L/H Liquid Temperature: <35℃ UK Plug: Voltage: AC220-240V, 50Hz, 5W Hmax.: 70cm Qmax.: 320L/H Liquid Temperature: <35℃ Aquarium Cooler: Power: 100W Cooling Water: ≤30L Rated Voltage: DC12V Circulating Water Pump Flow: 1-3L/min Electric Current: 8.3A Material: ABS Power Adapter Input: AC100-240V, 50/60Hz Power Adapter Output: DC12V, 10A Item Size: 195 * 115 * 109mm / 7.68 * 4.53 * 4.29in Item Weight: 895g / 1.97lb Package Weight: 2028g / 4.47lb Package Size: 24 * 23.5 * 18.5cm / 9.45 * 9.25 * 7.28in Package List: 1 * Aquarium Cooler Heater 1 * Submersible Pump 1 * Power Adapter 1 * Power Line 1 * 2m Water Pipe 2 * Pipe Fastener 1 * Manual (English)