Advance Repair LS-2208 This is an exchange service – Like for Like – please find the number plate on this device and ensure you are ordering the correct device – Please send us back the same model you ordered. See terms and conditions for more details. We understand that you can not operate your business without this device.  This is where an Advance Repair comes in.  We send you a unit as an exchange, you replace your unit with the one we send you, then you send us back yours... it is as simple as that.