1. With anti-loss function, the machine will automatically shut down after 30s alarm beep if it is not used for 2min
2. High detection sensitivity, there are two sensitivity settings and two detection settings: audio vibration or vibration only (mute)
3. Working frequency: 11.5KHZ
4. Waterproof level: IP6810, depth up to 3m
5. Adjustment: automatic or manual return
6. Indication: proportional audio/vibration pulse rate
7. Control: power, reset, adjust the switch
8. Battery: 1 x 9V battery (not included)
9. Size: 22.9x3.8 cm
10. Weight: about 200g

Packing list:
- Waterproof positioning bar x 1
- Leather case x 1
- Retractable lanyard x 1
- Instruction book x 1