"Ziggy" wrote in message
...
What is the approximate battery life of the receiver of a wire free door
chime?

For the sake of argument, let's say the unit is used very little and the
receiver does not have a light.

{Here are some sample products from Argos http://tinyurl.com/2sb3r9}

The Friedland EVO 50 quote 18 months for receiver (3AA's), about 5 years for
bell push (3v Lithium CR2032).

Peter