Cylinders available for various door thicknesses. Profile type: Euro standard profile cylinder with inner knob. Special variant for doors with drilling and pulling protection. Battery life: Up to 130,000 openings. Supported transponder types: Mifare DESFire transponder. Item number: DO81WH-0x, DO81GY-0x and DO81BK-0x. In addition to the Smart Access Point Pro/Lite, the AccessControl maintenance card (item no. D080MC-0x) and the assembly tool (item no. D080MT-0x) are required to commission the cylinders. Encrypted communication with Busch AccessControl identification media (item no. D081xx-0x) and the AccessControl construction site and maintenance cards (item no. D080MC-0x and D080CC-0x). Further details on the system structure can be found in the system manual. Integrated LED status display with acoustic feedback. Color of the cylinder head: Satin Chromium Black Radio range (open field): 10 m Extension of the radio range by using the RF/IP gateway (item no. D04011-0x) or the RF repeater (item no. D04021-0x). Dimensions of the electric rotary knob: 22.3 mm x 47 mm x 39 mm Dimensions of the cylinder base: 30 mm to 140 mm (depending on the type ordered). Battery included in delivery. Battery type: 4x LR1