Features:1. Digital temperature controller with probe, LCD display, heating and cooling modes, 16A 230V, timer function.2. Relay output, easy to use: no wires needed, plug in and set parameters, works as programmed. CE certified.3. Temperature control function with 1% accuracy: range -40°C to 120°C. Set start and stop temperatures to control heater or cooler. Supports temperature calibration.4. Timing function: timer and countdown modes. Cycle timer mode controls appliance cycles; countdown modes turn on/off. Setting range: 0-99 hours 59 minutes. Note: temperature control and timer cannot be used simultaneously.5. Five modes: temperature control, F01 cycle timer, F02 countdown on, F03 countdown off, F04 countdown on and off. Large LCD, temperature calibration, reset function, data storage (saves settings after power off).Product Details:Wide applications: greenhouses, reptiles, incubators, terrariums, freezers, refrigerators, heaters, home brewing, breeding boxes, fermentation, heating pads, and other temperature control systems. Can also be used as a loop timer and countdown timer.Specifications:Power supply: 230V AC; Output: 16A/230V Max.