Feature: 1. Rapid Heating: The aquarium temperature controller is equipped with metal heating plate, ensuring quick and efficient heating for your aquarium. It provides safety and stable heating performance. 2. Temperature Control System: With the controller, you can set the desired temperature and it will automatically heat for 1 hour and then maintain a steady temperature for 3 hours., ensures a stable and comfortable environment for your water pets. 3. PID Temperature Control Algorithm: The controller utilizes high energy, low power consumption PID control algorithm with intelligent frequency conversion technology. The chip adjusts the power output according to the temperature, optimizing efficiency. 4. Easy Operation: The controller features dual temperature sensors that monitor the water temperature in real time. The separate external controller allows for easy temperature adjustment with a single button, and the high definition LED display provides clear information. 5. Convenient Maintenance: The heating plate is detachable and easy to clean, making long term maintenance a breeze. The controller has a safety feature that automatically shuts off the heating when it is removed from the water. Specification: Item Type: Aquarium Temperature Controller Material: ABS Suitable Water Capacity: Below 600L Suitable Tank Size: Approx. 120-150cm / 47.2-59.1in. Package List: 1 x Aquarium Temperature Controller1 x Fixed Buckle1 x User Manual