Quote from their website:
Extensive range of OO Gauge Lights, O and N Gauge lights Working streetlights / yard lamps / signals / building lights / Belisha beacons DCC and battery operated coach lighting/ latching reed switches / LEDs / Fibre Optics / 3 volt and 12 volt self adhesive LED strips / switches / electrical parts, baseboard fittings including pattern makers dowels, chrome alignment dowels, many unusual illuminated accessories and unique hand-made and 3D printed scenery items.