The CL5010 is a heavy duty electronic tubular mortice latch. - Allows up to 80 User Codes - Allows up to 10 one-time User Codes to be entered - PVD weather resistant, low maintenance finish - Brushed Steel finish - Over 200,000 operations from 4 x AA cells (provided) - Tamper alarm and low battery warning - Connections for remote release by reception desk button - Alarm release included - Code Free entry - Lever handle lock for doors hung on the left or right Use in offices / schools / warehouses / hospitals / care homes / nurseries / hotels / leisure facilities / the home Box has been opened, but item never installed or used. Thanks for looking!