Dust extraction with convenient remote operation, Strong points and advantages Start the vacuum cleaner with remote operation directly on the suction hose. Ideal for occasional cleaning – without having to switch the vacuum cleaner from AUTO to MAN mode. The Bluetooth® module also communicates with Festool's Bluetooth® batteries so that the vacuum cleaner starts automatically when the battery-powered tool is activated. Main areas of use Ideal for cleaning: the vacuum cleaner starts directly on the cleaning nozzle. Extraction for battery-powered tools (in combination with Bluetooth® battery). Suitable for CT 26, 36, 48, Supplementary set for CT 26, 36, 48. Module that is installed in the free module compartment. Remote control with remote operation (included in the set) or via the battery-powered tool (in combination with Bluetooth® battery), to allow the vacuum cleaner to start automatically when the battery-powered tool is activated (requires compatible Bluetooth® battery). With the remote operation, you can start the vacuum cleaner directly on the suction hose (easy switching to cleaning mode even when the vacuum cleaner is in AUTO mode). Delivery includes: receiver module (for CT 26, 36, 48), in a box, All-inclusive warranty http://www.festool.se/service