Electrical Supplies

Byron Sentry BY301 100m Extra Loud Wireless Portable Door Chime Kit with Optional Strobe Alert and 8 Sounds Byron BY301 Wirefree Portable Door Chime Kit 100m BYRBY301 The Byron BY301 and 302 wirefree portable door chime kits have a choice of 8 extra loud melodies (90-94dB rating on the sound). They have volume control and self learning. Chime requires 3 x C... Byron Sentry BY301 100m Extra Loud Wireless Portable Door Chime Kit with Optional Strobe Alert and 8 Sounds