2-Gang 2-Way Push-On/Off Rotary LED Dimmer 2 x 0-120W (1-10 LEDs)
Instruction sheet can be found . 

V-Pro intelligent dimming technology 
Soft start feature and intelligent overload protection 
Adjustable minimum brightness setting and choice of driving modes 
Durable white plastic, round edge 
British made 

Technical Information

Dimensions: 85x85x47mm 
Faceplate Depth: 11mm 
Fixing Centres: 60.3mm 
Depth from Mounting Face: 16.1mm 
Recommended Back Box Depth: 25mm 
Operating Voltage: 230v 50Hz 
Maximum Load Rating: LED; 120W (Max. 10 lamps, which ever comes first) 
Maximum Current Rating: 1.3A 
Terminal (Live) Diameter: 3.2mm; Capacity: 3 x 1.5mm² 
Applicable Safety Standard: BS EN 60669-2-1 

Safety Advice: Not suitable for use with non-dimmable fluorescent bulbs and tubes, wire-wound or toroidal transformers, TRIAC dimmable loads or electric motors. Do not overload.