Model TCH-B200 is a hand held address programmer designed to address the ESP range of Sensors and all other addressable devices such as wall sounders, mini-modules and manual call points (with the use of a programming lead – sold separately). The unit is designed to be light, robust and easy to use and operates from a single PP3 size battery, which gives the capacity for up to 8000 operations. The programmer is also capable of displaying the sensor analogue values.