This Evolve Matt Blue 20A 16AX intermediate light switch from British General should be used as the middle switch when you need to operate one light from 3 different locations, such as either end of a hallway and at the top of the stairs.

• 20A 16AX Rated
• Easy to install, supplied with fixing screws and installation instructions
• Intermediate switch allows for more than 2 switches in a circuit
• Captive, backed out terminal screws for fast installation and to prevent screw loss
• Screwless front plate clips on and off easily, ideal for redecorating - polycarbonate construction
• Minimum mounting box depth 25mm