Features: Large digital display, display the real-time temperature of fish for tank water temperature. External temperature controller, each for time you press which add 1 . After setting the temperature, the display will change back to the real-time temperature display. Easy mounting with the large suction cups attached, rod install vertically or horizontally. In winter, ensure the output of heat and keep the water temperature inside the for tank steady. Totally submersible, waterproof double insulation, durable and safe design. Power indicator, ensures safe operation. Package Includes: 1x Aquarium Heater Specifications: Material: ABS Weight: 300g Size: 13x7x3cm/5.11x2.75x1.18inch Wattage: 25W/50W/75W/100W/150W/200W Plug Type: EU/US note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.