HI-TECH EASY
It is supplied with 3 electronic approach keys and 2 mechanical ones. It works autonomously for up to 35000 opening cycles and using only 6 simple replacement commercial batteries. Optionally, a digicode system for opening with a personal code of up to 8 numbers, or a biometric reader for opening with fingerprint up to 1000 users and requiring a connection to the electrical current can be included.