This popular Extra Loud Door Chime with Flashing Light has a chime range of up to 250m and a sound level of up to 110dB.
It comes with a choice of chime sounds for user convenience. The Chime also has a flashing blue light which is perfect for those who have issues with hearing.
This special pack also includes a vibrating pager that you can wear to make sure you don't miss the doorbell ringing.
All-in-all, this is a great choice for someone who doesn't want to miss their doorbell ringing.