Rhino Day/Night fan speed controller silently controls both intake and exhaust fans. No buzzing or humming. Sensor detects when lights are on/off which switches the unit between day sockets and night sockets. Manually select your daytime and night time running speeds.
Also powers oscillating/clip /floor fan when lights are on and a heater when lights are off. Heavy duty steel unit also wall mountable, 5 speed
2 amp version is suitable for most fans up to 250mm
8 amp version is suitable for most fans of any size