This device operates with a voltage range of 9~24V DC, with a rated voltage of 12V DC and a rated current of up to 70mA. It features a flash frequency of 88ms on and 492ms off, and its alarm sound pressure level (SPL) reaches a minimum of 105dB ±3dB at 1 meter. The flash intensity is at least 70 candela (CD) and the flash period is up to 1.5 seconds. With a lifespan of at least 40,000 flashes, it operates within a temperature range of -25°C to +55°C and can handle humidity levels up to 95% RH. The product size is 82 mm x 82 mm x 50 mm. It includes three sound options that are automatically matched: ambulance sound, police car sound (default), and fire truck sound.
Table Format
| Specification | Details |
|---|---|
| Operating Voltage | 9~24V DC |
| Rated Voltage | 12V DC |
| Rated Current | ≤70mA |
| Flash Frequency | 88ms on / 492ms off |
| Alarm SPL | ≥105dB ±3dB (1m in front) |
| Flash Intensity | ≥70 CD |
| Flash Period | ≤1.5S |
| Lifespan | ≥40,000 times |
| Operating Temperature | -25°C to +55°C |
| Humidity | ≤95% RH |
| Product Size | 82 mm x 82 mm x 50 mm |
| Sound Options | Ambulance, Police car (default), Fire truck |


















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