Autonomous keyboard for access control applications. IP65 protection for indoor or outdoor use. Up to 99 users. Codes: 1 to 8 digits. It has 2 relay outputs of 2 and 10 A, respectively interlocked or pulse-delayed from 1 to 99 s. 2 exit request entries. Access indication by red and green LEDs. Internal buzzer and yellow LED for indication of programming and status. Keypad lock for 30 s and audible indication after 8 consecutive attempts of incorrect code. Anti-sabotage tamper. Backlit keys for 10 seconds after pressing. ABS housing with metal keys and polycarbonate back. Power 12/24 Vcc / Vca. Sleep consumption: 30 mA. Maximum consumption: 120 mA. Operating temperature: -25 to 50 ºC. Dimensions: 120 x 84 x 38 mm.