The Alpa SZOA Optical – Acoustic Signaller is a device designed to indicated alarms and capable of collaborating with any master control unit manufactured by Atest Gaz.

Visual-acoustic Alpa SZOAmini is a device used to signal alarms in public buildings such as gas boiler houses or halls heated radiators.

Signaller LTT2 is a device dedicated to optical and acoustic signalling of the presence of hazards in the particular industrial installation. Devicde can be installed in Zone 2 (II3G 3D) of gas and dust hazardous area.

Signaller LTT4 is a 4- segment's device dedicated to optical and acoustic signaling of the presence of hazards in the particular industrial installation.

The flameproof SOLED3 warning beacon is a device for optical signaling in potentially explosive atmospheres, using light signals (different colours).

TOLED Warning LED Display in the Teta design option is the only solution available nowadays on the Polish market that can send a feedback information to a system operator or a supervising control system when something goes wrong with the system wiring or with the field warning device itself.