Plug and Play: 2 pre-wired type B American Sockets - cooling and heating Sockets, 3 buttons and large 2.5-inch LCD screen make the thermostat easy to set and operate. Prefect Temperature control: Auto change over on-ff ensures switch over heating or cooling facilities , temperature control range -40 ~ 230 ℉ / -40 ~ 110 ℃, with an accuracy up to ±2 ℉ / ±1 ℃. As well as ℃/℉ display, high/low alarm, temperature calibration, start-up delay, protection time, etc. Temperature Alarm: When the temperature beyond the alarm limit which can be set, the buzzer will beep and display a bell icon to remind you. prevent overcooling or overheating. Rugged Construction: Thermostat case is made of fireproof ABS, the sensor is IP65 waterproof, the probe can be put into liquid. CE, FCC certifed, safer to use. Wide Application: Control cooling and heating equipment whose power up to 1000W. suitable for home brewing, fermentation, incubation, planting greenhouses, greenhouses, reptile or pet warming houses, freshwater fish tanks, cold rooms, display cabinets and more.