Individual temperatures for day and night: INKBIRD ITC-306T can set individual temperatures for day and night based on the practical needs of our monitored creatures and plants in one day. Temperature alarms: INKBIRD ITC-306T supports alarms for over-temperature and sensor faults, is safer for monitored creatures and plants, better device lifetime. Out-of-the-box: INKBIRD ITC-306T is designed for out-of-the-box and its 10A programmable and prewired aquarium thermostat is compatible with most kinds of heaters on the market. It is out-of-the-box and plug-and-play. No reading confusion: INKBIRD ITC-306T supports both Celsius and Fahrenheit reading methods, it can be switched based on our reading habits for no reading confusion. Dual display screen: it has one dual display screen to display its display measured temperature and setting temperature simultaneously, much easier for temperature monitoring. Temperature calibration: INKBIRD ITC-306T supports temperature calibration for more precise temperature setting, monitoring, and controlling, offering more security for aquarium creatures; Support heating ONLY: INKBIRD ITC-306T can ONLY support heating and WITHOUT cooling function for its two plugs are ONLY for heating controls.