MVM ; Engine lock with electric and manual release. Auto-blocking pin when opening and closing. Gears in nylon: low noise, better sliding, no rust. Electronics protected for outdoor use. Easy connection by removable connector. Already contact for automatic re-locking when door is closed. Audible signal in case of incorrect locking. Consists of 2 parts, can be mounted horizontally or vertically. Standard delivery: round cylinder with 3 keys + with possible adaptation to door thicknesses between 40 and 90 mm. Working current. Surface mounted installation. Ideal for installation on exterior or basement doors. Silent operation. Sound signal for position. Possible to connect to all types of access control. Available in the versions: single cylinder (MVA) ; cylinder + rotary knob (MVM).