very friendly and super helpful! didnt have to come out as derek managed to talk me though turning…read moreit back on over the phone - thanks again!

had derek out today to increase the buzzer volume on my tenement intercom system handset ,(29/3/23)…read morehe attached a little gizmo which increased the volume and amplified the sound, fantastic, and a great price too, cheers derek 10/10 bg leith