Autonomous keyboard for use in indoor and outdoor surface mounting with ABS housing and polycarbonate keys. It has a relay output of 5 A and another of 1 A ON / OFF or timed from 1 to 99 s. 60 programmable user codes from 1 to 8 digits. Backlight keyboard. Programmable permanent lighting. Power supply from 12 to 24 Vdc / Vca. Consumption: 20 mA (typical) / 200 mA (maximum). Autoblocking after 8 wrong codes with alarm signal of 30 s. Working temperature: -30 to +50 ºC. Sealing: IP65. EEPROM memory. With self-protection, buzzer and push-button input for relay 1. Dimensions: 116 x 90 x 40 mm.