The SMSCOM Hybrid Fan Controller combines onboard digital temperature sensing software with mechanical 5-step fan speed control, delivering accurate, quiet fan operation with no buzzing or humming. Available in 4A, 6A, and 16A models to suit a range of fan sizes, it includes a 5m temperature probe and two extraction plug sockets for a simple plug-and-play setup. Key Features 5-step manual fan speed control for precise airflow adjustment Digital temperature sensing with 5m probe included Two extraction plug sockets – no direct wiring required Available in 4A, 6A, and 16A models Quiet operation – no buzzing or humming Reduces power consumption at lower fan speeds Extends fan lifespan by avoiding constant full-speed operation Helps manage temperature and humidity in the grow environment Optional Thermostat Integration Connect to the SMSCOM Thermostat (sold separately) for fully automatic temperature-based fan speed control. For an all-in-one solution, the SMSCOM Smart Controller combines fan control and thermostat functionality in a single unit. About SMSCOM SMSCOM is renowned for high-quality, durable fan control equipment trusted in both hobby and industrial growing environments. The SMSCOM range covers all fan sizes and is built for long-term, reliable performance.