Wireless basic controller suitable for use with AIROVENT RF MEV WH4H (90001575) Central Extract Units. Enables manual three speed control for every day use, automatic control, where the central extract units built in humidity sensor adjusts airflows. There is also an away setting, for low flows when leaving the property for extended periods. Easy to install to most surfaces. Lightweight with dimensions of 83 x 80 x 18.3mm. Powered by 3V battery (supplied with controller).
