Feature: 1. HEATING OR COOLING: Simultaneously controlling heating and cooling, refrigeration equipment. This controller can also be used to easily control individual heating or cooling equipment. 2. APPLICABLE SCENE: Powerful anti corrosion function and is very suitable for water, seawater aquarium, coral tank, ornamental shrimp and tropical fish 3. DUAL DISPLAY WINDOW: Easy to set, capable of displaying both measured and set temperatures simultaneously. Supports ℉, ℃ display. 4. SAFETY ALARM: High and low temperature alarm, sensor failure alarm, protecting your refrigeration and heating equipment. 5. ABS MATERIAL: Made of premium ABS material, this thermostat is strong and sturdy, wear resistant and scratch resistant, ensures a long service life. Specification: Item Type: Digital Thermostat Power: 1500W Shell Material: ABS Maximum Current: 15A Sensor Type: NTC sensor Buzzer Alarm: High and low temperature alarm Temperature Control Mode: On, off control, heating and cooling Temperature Control Range: -58 to 248 ℉, -50 to 120 ℃. Package List: 1 x Controller 1 x Manual