The Greenbrook DW050AHN-C Wire Free Stylish Portable Doorbell Kit in White with Flashing Xenon Beacon, Extra Loud Sounder (Ideal for Hard of Hearing) and Bell Push, will always alert you when somebody is at the door. The “No more wires” digital technology means any of the GreenBrook wirefree door chime range may be taken anywhere in the home, garden or mounted on a wall. No wiring required, waterproof and easy to fit. Comes with 16 different frequency options to prevent nuisance operation from neighbouring pushes. These door chimes can also be used with the majority of hardwired bell pushes in conjunction with the DW070A wirefree transmitter. Additional Chimes can be operated from one or more bell pushes. Multiple bell pushes can be programmed for different sounds. Comes with 4 Different Tunes for Alerts. Search Facility - This receiver can search for up to 3 additional bell pushes. Up to 150m Range. Suitable for the hard of hearing - 95dBA Flashing Xenon Beacon Volum