| Manufacturer part number (MPN) | FL/RL/R/D E21 |
| EAN / GTIN | 8714112096883 |
| Sales unit | pcs |
| Package quantity | 50 pcs |
| Mounting method | Surface mounting |
| Power | 1.63 W |
| Type of current | DC |
| Loudness | 110 dB |
| Electricity consumption | 0.068 A |
| Suitable for wall mounting | Yes |
| Lamp type | Xenon |
| Colour of lamp hood | Red |
| Type of optical signal | Flash light |
| Type of acoustic signal | Pulse tone/continuous tone |
| With contact | No |
| Nominal voltage | 18–28 V |
| Degree of protection (IP) | IP65 |
| For Ex-zone gas | None |
| Vandal proof | No |
| Frequency sound signal | 0.3–2.85 kHz |
| For Ex-zone dust | None |
| Type of acoustic signal device | Siren |
| IFTTT support available | No |
| According to EN 54-23 | No |
| Compatible with Apple HomeKit | No |
| Compatible with Google Assistant | No |
| Compatible with Amazon Alexa | No |
| With tamper detection | No |
| Suitable for ceiling mounting | Yes |
| Country of origin | United Kingdom |