Twin Controller Pro 4.5A Mk2 Fan Speed Controller SMSCOM

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SMSCOM Twin Controller Pro 4.5A Mk2 is an intelligent dual fan controller built to manage both intake and exhaust fans with complete automation in hydroponic grow rooms and indoor gardens. Designed for precision climate control, it maintains negative pressure while adjusting fan speeds according to your set temperature, ensuring a stable environment for optimal plant growth. The Pro Mk2 version includes SMSCOM’s advanced software, offering more accurate control and smoother fan transitions to reduce noise and wear. Equipped with a plug-in NTC temperature sensor and easy-to-use dial settings, this controller can handle fan loads up to 4.5A, making it ideal for medium to large grow setups. Key Features: Automatic control of intake and extraction fans Maintains negative pressure and stable grow room climate Supports fan loads up to 4.5A (combined) Built-in temperature probe for real-time adjustments Enhanced software for precision and smooth transitions Quiet operation with minimal fluctuation Ideal for hydroponic systems, sealed tents, and grow rooms Plug-and-play setup — no electrical wiring required Show more