This a trialing edge (AC triac) dimmer with 1-Gang, 2-Way Push-On/Off Rotary button. The maximum load is 0-100W (10 LEDs per gang) DESCRIPTION Controlled by a microprocessor, V-Pro dimmers offer sophisticated overload protection. This means that if you mistakenly connect your dimmer to too many lights or transformers it will protect itself from failure by turning the lights down or off until the load is corrected. The V-Pro series comprises programmable intelligent dimmers with a choice of dimming modes for wider compatibility; some have a push-on/push-off switch action with rotary dimming and others have touch/remote control (V-Pro IR). All V-Pro dimmers offer superior dimming technology to deliver the best possible dimming performance for a given load. V-Pro dimmers are suitable for mains lighting, most dimmable electronic transformers and, with no minimum load, are suitable for dimmable low-energy lighting, including many dimmable LEDs. Dimensions: 85x85x47mm Faceplate Depth: 11mm Product Weight: 160g Fixing Centres: 60.3mm Recommended Back Box Depth: 25mm Operating Voltage: 220/250V AC Maximum Load Rating: LED; 120W (Halogen; 200W, Mixed Loads; 120W) (Max. 10 lamps for all lighting types) Maximum Current Rating: 0.9A Terminal (Live) Diameter: 3.2mm; Capacity: 3 x 1.5mm²