The Codelock 5000 electronic lock stand alone access control solution for a wide range of applications. Supplied with all fixings, Templates and instructions to give convenient flexible access control - the easy way. The Codelock 5000 has been developed to meet changing access control requirements through buildings, quickly and efficiently. The fast, easy programming via the keypad makes the Codelock 5000 ideal for the various ways a door needs to be controlled in health, educational, local authority, commercial and residential applications. With exceptionally long battery life, easy installation and sophisticated design the Codelock 5000 is the clear, obvious choice for stand alone electronic access control. At the heart of the Codelock 5000 is the Piezo clutch mechanism, which provides: Over 500,000* operations from 4 x AA cells ** Durability - Tested to over 1,000,000 cycles @ 2.4Nm Reliability - solid state with low component count *Typical lock using motor clutch mechanism provides 80,000 operations. ** 4 x 1.5v AA cells @ 2,900 mAh. Suitable for doors up to 65mm thick - handles are reversible.