This is a Salus SP220 S-Series 2 Channel Digital LCD Central Heating Programmer. It is a 7-day programmable thermostat that can be used for controlling central heating in your home. The device features a digital display that shows the temperature, time, and day of the week.
It is designed to work with White compatible models and has a voltage of 230V. The thermostat is made of plastic material and was manufactured in 2011. With its programmable functionality, you can easily control your heating system and maintain the desired temperature at all times. The Salus SP220 S-Series is an excellent choice for anyone looking to upgrade their heating system.