The CL4510 Smart Lock offers advanced programming and access methods, as well as simple retrofit opportunities for easy upgrades from the CL4000 range.Key Features:Manage and operate locks via smartphoneKeyless entry - no lost keys12 button back-lit keypadNetCode generation technologySet up to 10 Code Free access periodsSuspend and restore any or all clientsKeypad indicates locked / unlocked statusTamper time out and low battery warningPersonal wireless connectivity for managementSimple upgrade from electronic range using same fixingsAuxiliary connections enabling four modes of operationPower: 4 x AA Batteries10,000 operations from 4 x AA batteriesSuitable for internal and external useOrientation: VerticalBrushed Steel finishMaterial: Zinc AlloyNon Handed - Locks will fit doors hung on the left or rightNetCode® TechnologyGenerate and send time-sensitive codes to end-users using the K3 Connect App* or NetCode® Portal. Set codes for a specific start date and time, that will automatically expire after your set duration. Additional features include the ability to block a NetCode® to control and restrict access.