Fish Tank Heating Rod Aquarium Automatic Constant Temperature Heating Rod Turtle Heating Rod Constant Temperature Rod Features: Applicable Scene: Suitable for tanks, ocean tanks, coral tanks, turtle tanks, and hydroponics. Helps keep your pets healthy. Quality Material: Explosion-proof quartz glass construction resists deformation and softening. Multi-layer sealing prevents leakage. Strong double suction cups securely fix the heater in any corner of the tank. Upgraded internal design with ceramic heating element for low resistance, faster heating, and improved energy efficiency. Includes 3C certified power cord and plug for enhanced safety. Quick Heating and Intelligent Temperature Control: Rapid heating starts within seconds. Automatic constant temperature function reduces power as water approaches the set temperature, ensuring smooth and efficient heating while saving energy. Automatically resumes heating when water temperature drops below the set point. Includes automatic shut-off and overheating protection features. Easy to Use: Simple installation with two strong suction cups. Can be mounted at any angle as long as the heater is fully submerged in water. Ensure the heating rod is completely underwater before powering on. Notes: 1. This aquarium heater is designed for submersion use only. The heater must remain fully submerged during operation. Disconnect power before cleaning or changing water. 2. This product is intended for users aged 16 and above. Children or minors should use only under adult supervision. Intelligent Temperature Control: Automatic constant temperature function turns off heating when the water reaches the set temperature and restarts when the temperature drops. Includes automatic shut-off and overheating protection. Power Range: 20W to 300W Heater Length: As shown in product images Package Includes: 1 x Aquarium Heater