The Inkbird ITC-308 WiFi Temperature Controller is a dual-stage digital thermostat designed for precise temperature control in various applications. This controller offers WiFi connectivity for remote monitoring and adjustment via a smartphone app, with a temperature control range of -50 °C to 99 °C and an accuracy of ±1 °C. The device measures 120 mm × 72 mm × 34 mm and weighs approximately 250 g, featuring a large LCD display for clear temperature readings. It supports both heating and cooling modes with dual relay outputs, designed for heating devices up to 10 A and cooling devices up to 10 A. The controller includes programmable temperature differential settings from 0.1 °C to 30 °C, with high and low-temperature alarms as well as sensor error alarm protection. Compatible with standard NTC temperature sensors, it offers a temperature calibration function and supports Celsius or Fahrenheit display units. The ITC-308 has a power outage memory function to retain settings during outages and provides delay start protection to avoid frequent compressor cycling. Suitable for fermentation chambers, reptile terrariums, home brewing, aquariums, and greenhouse applications, this controller offers reliable temperature management with easy remote access through dedicated mobile applications. Constructed with a durable ABS plastic housing and equipped with a 1.5 m power cord, it provides stable performance for both residential and light commercial usage scenarios that require precise environmental control.