This heavy-duty model is the chosen alarm of many original equipment manufacturers of bulldozers, graders and mining equipment, where only fixed sound levels are required.
| Input Voltage | 12 or 24 Dual Voltage |
| Current Draw | 0.5A at 12V |
| LEDs | 25 |
| Operating Temperature | -40° to +85° Celsius |
| Other | 97, 107, 112 Decibels |
| Manufacturer | Narva |
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