Precise temperature control for heating and cooling Temperature range: -40~120°C / -40~248°F. Set distinct start and stop temperatures to turn connected heating or cooling equipment on and off automatically. Supports temperature calibration: -9.9–9.9℃ / 14.18–49.82℉, allowing you to adjust readings for sensor placement or environmental offsets. Flexible timing modes for automated schedules Four programmable modes: F01 Cycle Time Mode, F02 Timing ON Mode, F03 Timing-OFF Mode, F04 Timing ON/OFF Mode. Timing range: 0 to 99 hours 59 minutes, suitable for short cycles and long runs. Sensitive, long-reach sensor Supplied 1.7 m NTC10K/B3950 temperature sensor for accurate, responsive readings. Sensor length accommodates a variety of installation positions and working environments; sensor supports calibration. Built for safety and durability Housing made from new PC flame-retardant material for impact resistance and long-term use. Outlet includes a safety guard door to reduce the risk of accidental contact with fingers or small objects. Why this controller solves common problems Eliminates manual monitoring by automatically switching equipment at precise temperatures. Calibration and a high-sensitivity sensor reduce temperature errors caused by placement or ambient effects. Multiple timing modes let you tailor control to continuous cycles, fixed on/off intervals, or combined schedules. Compatibility and performance highlights Designed to control external heating or cooling equipment via the socket outlet. Sensor and controller separate location options help maintain accurate control when the device and sensor must be placed apart. Use scenarios Aquarium and terrarium: Maintain stable water or enclosure temperatures by switching heaters or cooling fans at preset thresholds. Home fermentation or incubation: Automate temperature cycles for starters, yogurt, or egg incubators using timed on/off and temperature limits. Small greenhouse or seedling racks: Control heaters or venting fans to protect plants from temperature swings and support consistent growth. Functional details to note Set both start and stop temperatures to define precise on/off behavior. Four timing modes (F01–F04) cover cyclic and one-shot timing needs up to 99h59min. Sensor: 1.7 m NTC10K/B3950, high sensitivity, supports calibration. Construction: new PC flame-retardant exterior and a safety guard door on the outlet. This thermostat plug socket provides accurate temperature control, flexible timing options, and added safety features for reliable automated temperature management in a variety of small-scale applications.