Purchase Qty. Reference FOB Price
1-99 Pieces US$15.00
100+ Pieces US$9.90
Product Description
technical parameter: 1. Power control: button switch; long press for 1 second to switch the machine 2. Sound and light alarm, with 5-speed adjustment; with vibration and buzzer mode; can be used in noisy environments. 3. Tone identification: Using the ATD feature, when detecting a small metal ...