| Features | 205 |
| Description | Wireless smoke detector |
| Compatible receivers | EXTNUM |
| Operating frequency | 433 MHz |
| Communication range in building | up to 30 - 40 m |
| Zone violation transmission | Yes |
| Tamper transmission | No |
| Battery low status transmission | Yes |
| Supervision transmission | Every 1h |
| Unique ID number for detector | Yes |
| Power supply | CR123A 3V |
| Battery life | ≤5 years |
| Overall dimensions W x H in mm | 100 x 37 |
| Operating humidity | 0% - 95%, non-condensing |
| Operating temperature | 0oC up to +55oC |
| Production status | In production |
| Installation manual |