Answer the door in a happy mood with a Wireless Doorbell Musical door chime unit and bell push system Choose from 32 delightful melodies to suit your personality.  Ringing sounds include traditional, happy and festive tunes 150 wireless metre range allows you to carry the chime unit around the house  Variable volume control and flashing light feature for hearing impaired users  Plugs straight into mains power source with simple installation Energy class A rated for low power consumption Pre-programmed with Modular-Intelligent-Programmable System (MIP) Bell push has a durable and waterproof design  Discreet and sleek appearance will blend into any home setting  Save 67% with the Wireless Doorbell for 9.99 pounds instead of 29.99 pounds