Dimmer Module 250W LED Retractable Switch Compatible Only from Buster + Punch is a versatile dimmer module, exclusively designed for the brand's European range of dimmer switches and wall plates. The module has a pressure ON/OFF function, rotary dimmer control and spring-loaded dimming. It works with dimmable LED, halogen and incandescent bulbs and is particularly effective with Buster + Punch's proprietary light sources. When combined with spring-loaded switches, you can control the light from up to 10 locations, with short presses to turn on/off and long presses to adjust brightness.