Vent Axia Svara White App Controlled Low Carbon Extractor Fan Bluetooth BNIB\nVent Axia Svara App Controlled Low Carbon Bathroom Extractor Fan\nFans are security marked for warranty and returns purposes Serial Numbers\n027589\n\nVent Axia 409802 \""Svara\"" App Controlled Unitary Extractor Fan - Multi Function\nProgrammed to cope with the vast majority of installations. The fan is set as default to work continuously at a trickle flow of 10 litres per second. When the fan senses a somebody in the room it increases the flow to 19 litres per second. If the humidity rises rapidly, for example when the shower is on, the fan goes up to maximum flow at 30 litres per second. When the fan senses the humidity level has returned to normal it reverts to the trickle flow of 10l/s. If other settings or functions are desired, they can be selected through the Vent-Axia Connect App which can be downloaded from the App Store and Google Play.\nFunctionality:-\nLight sensor\n\nWhen the lighn