This doorbell comes with a bell and receiver that can be installed instantly with no hassle! The wireless doorbell comes with a portable chime unit that has connectivity of up to 80 metres, giving you the flexibility to move your door chime throughout your home, garden or garage. The two-part doorbell has no messy wires and is connected wirelessly, making it great for keeping thing neat and tidy. The doorbell receiver has an excellent speaker, making sure you can hear it from whatever room you are in. The doorbell and receiver are both coloured with a glossy black, making it stylish and allows the chimer to fit in your home. The doorbell has 36 melodies, making sure you find the right one for you and it enables you to switch it up if it gets too repetitive.