BG FBN84P Nexus 4 gang, 2 way, 400W Dimmer Switches-Push Type

Minimum mounting box depth 25mm

Suitable for compact fluorescent lamps (CFL) and LED Dimming

There can be issues with dimming CFL and LED lamps at a low lighting level; the Nexus dimmer products have an adjustable minimum level feature which can be used to adjust the lighting output at a low level, to stabilise the load