M21
| Viewing distnace | 25 m, 30 m, 40 m | Mounting | Wall, ceiling, recessed |
| Type | Self-contained | Mode of operation | Maintained / non-maintained |
| Test system | Automatic, manual | Emergency duration | 1/2/3/8 h (selectable) |
| Battery | LiFePO4 3.2 V/1.5 Ah | Housing material | Aluminium |
| Housing colour | RAL 9006 | Insulation class | I |
| IP rating | IP 40 | CCT | 6500 K |
| Luminance | 500 / 50 cd/m2 (selectable) | Rated voltage | 220-240 V AC, 50/60 Hz |
| Rated wattage | 4.95 W | Dimensions | |
| Weight | Ambient temp | 0 °C to +40 °C |
