Tested to BS2881: 1989 (security level one) .Meets BS3621.Adjustable and removable 250mm deep shelves.12V DC LED lighting/warning system with volt-freecontact to allow connection to light/nurse call systems. Requires 100V - 240V, 50Hz - 60Hz, 0.3A mains supply.Lighting transformer casing adds 105mm to the overall height.0.9mm (20 gauge) mild steel construction.Mounting holes provided in back (fixings not included) .Key retaining five pin cylinder lock, supplied with 3 keys.Colour: white.