User code 3 to 6 digits

manage code 9digits

Special Emergency key provided.

Power supply:  6 Volts (4 batteries, type AA, R6 or equivalent).

Automatic blocking system for 5 minutes when more than 10 consecutive incorrect codes are entered.

EEPROM memory circuit, which stores data for more than 40 years, with no need to have it connected to the batteries

More than 5.000 openings with new batteries.  Replace the batteries every year for correct functioning.

User friendly signalling system of beeps and leds that makes its use easy and convenient for handicapped.