The British General Evolve 20 A 16 AX double light switch can operate two different lights, while the 2 way switching allows a second switch to be added to the circuit to operate the same light from another location at the top and bottom of the stairs.

Brand Name	BG (British General)
Colour	N/A
Material	N/A
Manufacturer Model No	PCDCL42W-01
Wear Type	N/A
Type	Light Switch
Certifications Met	BS EN 60669-1
Country of Origin	N/A
Protects From	N/A
Waterproof	N/A
Number of Pockets	N/A
Rated	20 A 16 AX
Switching	2 way
Terminal screws	Captive