LED safety sign light for central emergency lighting supply for individual monitoring of the light via DALI (DALI-2 certified), adjustable emergency light level, wall mounting, basic housing made of die-cast aluminum, powder-coated in white, operating device with NFC interface for addressing, configuration and maintenance using PROset Pen (item no.: 22170290) or PROset app, addressing alternatively also possible optically or via EZ addressing, plug-in terminals for through-wiring up to 2.5 mm², cable entry from all sides, flexible cable routing in the housing base, tool-free installation of the frameless pictogram and changing of the NiMh battery in the single battery variants (E1D, E3D and E8D), protection type: IP54, protection class: SC1, impact resistance: IK03, standby and permanent operation possible, permanent operation: -40°C to +30°C, standby operation: -40°C to +35°C, power supply: 220-240 V AC (+/- 10%) 50-60 Hz, 176-280 V DC, Dimensions: 201 x 87 x 61 mm, Weight: 0.48 kg, Luminaire wired halogen-free, for use in an environment where a deposition of non-conductive dust on the luminaire can be expected, Safety signs must be ordered separately,