Adjustable Temperature Control : Precisely set and maintain your desired water temperature between 59 and 95°F using the intuitive control knob. Ideal for a wide variety of aquatic environments including freshwater, marine, and aquaculture. Automatic Constant Temperature : The heater automatically maintains the set temperature, ensuring a stable and comfortable environment for your aquatic pets, reducing stress and promoting health. Shatterproof Quartz Glass : Constructed with 2mm thickened glass, this heater is robust and safe, preventing leaks and protecting your fish from harm. It's fully submersible for easy installation and maintenance. Easy Installation & Monitoring : With an easy-to-use thermometer submerged underwater, you can quickly check the water temperature. The adjustable temp controller ensures accurate temperature regulation. Reliable Material & BPA Free : The heater's construction includes high-quality, non-toxic materials, ensuring the safety of both your fish and the environment. Designed for durability and long-lasting performance. Dive into a world where your aquarium inhabitants thrive. Our Intelligent Submersible Thermostat Heater is designed to provide a stable aquatic ecosystem, perfect for your precious fish and plants. Experience the peace of mind knowing that your pets are in a comfortable, controlled environment, all thanks to our advanced technology and commitment to quality.