- Product Name: Hand Crank Alarm
- Product Color: Green
- Sound Pressure Level: 120 ± 2 dB (A)
- Material: Aluminum Alloy Shell
- Tone Frequency: 600 ± 20Hz
- Hand Crank Direction: Clockwise
- Transmission Distance: Up to 2000 meters
- Application Areas: Ideal for engineering, schools,and natural disasters
Package Includes:
- 1 x Hand Crank Alarm