dual a.c./d.c. automatic lock release. Adjustable bolt. Small mechanism. Unlock function. Without shield.

Automatic operation , which enables the door to be opened with one press of the lock release push button of the apartment unit, and becomes locked again once the door is closed.
Shield not included .
Casing manufactured in 2mm. thick pressure injected light alloy, with a  height of 67mm. only .
Adjustable bolt, allowing 3 mm. precision.
Dual  operation  voltage  from 8 to  12V a.c.  (750mA consumption)  or d.c.  (300mA consumption).