The Circuito-Tec iButton system, without a power supply, offers practical and secure access for doors and gates. With two master keys (M1 and M2) , you can add or remove up to 120 users in seconds: simply touch the master key, enter programming mode, bring the user's key close, and you're done. iButton keys have a unique code and cannot be copied like mechanical keys, increasing the security of your space. Ideal for homes, offices, and businesses that need simple control, without bureaucracy and without passwords to forget.

 The iButton Module includes:

 
 Module 1 Without Power Supply
 
 1 Instruction Manual
 
 1. Wiring Diagram