CP Electronics DA-SG-4PM-W DALI/DSI Dimmer Switch White
 
Four buttons that offer 4 lighting levels. The default levels are:
1 - 100% brightness
2 - 75% brightness
3 - 50% brightness
4 - 25% brightness
 
SPECIFICATION:
Supply Voltage - 230VAC +/- 10%
Frequency - 50Hz
Power consumption On - 528mW, Off 523mW
Load - 20 DALI or DSI ballasts