| Type | AS4 |
| Housing, colour | aluminium-die cast |
| Tone type | single/two/three and alternating tones |
| Tone sequence | 5 - 20 Hz (DIP switch) |
| Sound pressure | ~ 90 dB |
| Temperature range | -20°C to +70°C |
| Terminals | 1,5 mm2 single or fine wire |
| Cable entry | 1 x M20 x 1,5 |
| Mounting | wall or ceiling |
| Weight | 900 g |
