| Model | CFB4D24 | CFB6D24 | CFB8D24 | |
| CPD approval | 0832CPD0135 | 0832CPD0134 | | |
| Operating voltage | 8 to 30V dc | |||
| Sound output | 84dB(A) at 12V dc | 93-95dB(A)at 24V dc | 95-97dB(A)at 24V dc | |
| Current consumption | 20mA at 24V dc | 25mA at 24V dc | 28mA at 24V dc | |
| Operating temperature | -10°C to +55°C | |||
| Construction- Gong/Base | Steel/Polycarbonate | |||
| Colour | Red | |||
| IP rating | IP42 | |||
| Dimensions (Dia x D) | 110mm x 63mm | 152mm x 63mm | 203mm x 67mm | |
| Weight | 0.45Kg | 0.85Kg | 1.7Kg | |