Schneider Electric Harmony XB5 - Push Button Switch, Plastic, 40 mm Mushroom, Spring Return, 1NO, 22 Mount, Unmarked, XB5AC21, Black

Amazon

Double, two way, light switch Removable front plate for ease and efficient decorating. High quality materials provide durability and practicality Ultra slim profile with a 1.5mm plate thickness providing a design led alternative to traditional accessories Two sets of fixing screws to accommodate differing mounting box depths In line angled terminals for easy access during installation Tamperproof front plates with a 4 point front plate secure connection

Radwell UK

PUSH-BUTTON SWITCH: 22 MM MOUNTING HOLE DIA, MOMENTARY (MO)