The flash charges of VADs are in between 0.five Hz and 2 Hz. VADs might include a synchronisation function to eradicate the potential for a flash frequency which could bring about adverse effects, for instance inducing epileptic fits, when units are in shut proximity. It’s essential that these sounders and https://www.firesense.co.uk/type/conventional-fire-system/conventional-sounders-vids-vads/