Temperature control outlet with relay output, easy to use. No wiring requiredsimply plug the device into this thermostat socket and set the desired parameters for programmed operation. Power supply: 230 V AC; Output: up to 16A/230V. Product includes a 3-meter temperature probe for added convenience.Features precise temperature control with 1% accuracy. Temperature range: -40C to 120C. Set start and stop temperatures to automatically control heating or cooling devices according to your schedule. (For cooling: start temperature higher than stop temperature. For heating: start temperature lower than stop temperature.) This thermostat socket also supports temperature calibration.Built-in timer function with cycle timing and countdown modes. Choose cycle mode to operate connected devices in repeated intervals, or select countdown mode to turn the device on or off after a set period. Timer range: 0 to 99 hours 59 minutes. Note: temperature control and timer functions cannot be used simultaneously.Additional features include 5 operating modes: temperature control mode, F01 cycle timer mode, F02 countdown ON mode, F03 countdown OFF mode, and F04 ON/OFF countdown mode. Large LCD display. Temperature calibration function. Reset function. Data retention ensures all settings are saved after power is turned off.Wide range of applications: ideal for greenhouses, reptile enclosures, incubators, terrariums, freezers, refrigerators, heating devices, home brewing systems, vivariums, fermentation setups, heating mats, and other temperature-controlled systems. Can also be used as a timer for cycle timing and countdown operations.