Use to convert an old wired doorbell push into a wireless MIP system, allows you to add MIP accessories, extra bell pushes, more chime receivers etc Build your perfect entry, alert and security system. . IDeal for use with an existing wired ornate/metal or hard to replace bell push, or where the old doorbell wiring has been removed, to connect this to the wireless MIP System and get it working again. . Compact, discreet design. Basic DIY skills required for installation. Supplied with instructions and the required A23 battery, double sided adhesive mounting pad and a 250mm length twin core cable. Once in place you have the ability to purchase, expand and link up to 16 additional MIP accessories to create the perfect alert system for your home or business, expanding your kit way beyond just a doorbell. . Includes: One battery operated wired to wireless module transmitter in white. Purchase this item with an MIP accessory (e.g. a chime unit will be required) to start your wireless MIP System. .