Surface-mounted wall scanner (outside) ES5421Product description:Wall scanner working on no-contact principle.Function:Operation via presentation of an authorised passive identifier (transponder). For controlling e.g. electric door openers, electric locks, electric door and gate drives, lifts, etc. via a floating switch contact.Product features:Designed specifically for outside usage. The identifiers take the form of passive HEWI transponder cards, key-ring pendants and other items without their own power supply. No-contact programming via programming device with RF interface. Sabotage contact as a protection against attack from unauthorised entry. Optional monitoring of sabotage contact and supply lines from secure internal area possible. Optical and acoustic status indicator. Special access provision on a day-to-day basis possible. Wall scanner is available as a surface-mounted option ‚¬â€œ no flush-mounted box required for installation. Fully compatible with the GIRA S-Color range of switches.Model options:Scanner available in 3 colours.