Different tunes different push The 3rd generation in mip system Technology allows you to choose different sounds for different bell pushes and other transmitters with the flick of a switch so you can identify which door or room has been activated. Compatible with previous mip system generations. 32x High quality true sounds custom-made for the UK market which includes big Ben westminster chimes 6x tubular bells 5x ding dong buzzers festive tunes sound effects and stop thief message., Manufacturer: Lloytron