Flat, square surface-mounted luminaire for escape route lighting. Plastic (polycarbonate) housing with a plastic cover (polycarbonate). Plastic lenses for area and escape route lighting are included in the scope of delivery. Lenses can be replaced without tools. The MULTIDIGIT air wireless monitoring system features automatic self-test and feedback via Bluetooth® through an Android/iOS app. No bus cable is required. Quick configuration and commissioning, as well as monitoring via the app. Up to 100 single-battery emergency luminaires can be wirelessly networked and monitored. Maximum security is ensured through push notifications and gateway functionality. The app generates the test log quickly and automatically in PDF format, which can be archived locally or in the cloud.