The flash rates of VADs are involving 0.5 Hz and a pair of Hz. VADs might include things like a synchronisation perform to reduce the potential of a flash frequency that can cause adverse effects, for instance inducing epileptic matches, when devices are in near proximity. Indicating Amenities Alignment with https://www.firesense.co.uk/type/conventional-fire-system/conventional-sounders-vids-vads/