Features: This automatic aquarium heater features intelligent temperature controls systems with a high precise sensors that continuously monitor and adjusts water temperature to maintain a stable, comfortable environment for healthy fish growth in your tanks. Designed with a compact size, easily fits into aquariums of various size without occupying excessive space, incorporates dry burn protections for safety, and offer simple play installation using ABS for performances. Ideal for aquarium enthusiasts and pet fish owners who need dependable temperature regulation for their pet, ensuring great conditionsfor fish health and well being. Perfect for use in homes fishtanks, whether small bowl or large fishtank setups, where it provides consistent heating to create a stable habitat for ornamental fish. Built from quality, heat resistant ABS, this heater ensures longlasting durability and stability, making it a great solution for maintaining water condition without risk of damage or failure. Specifications: Component: ABS Product Dimension: Approx. 13.5x3.4cm/5.31x1.33inch Type: 01(25w)/02(50w)/03(100w)/04(150w)/05(200w) Power: US Standard Package Includes: 1PC FishTank Heater note: Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.