For whatever reason, if you are unsatisfied with your order within 30 days, you can return it to us in new condition for a refund minus the shipping charges.
The Right Part Guarantee
The Right Part, Guaranteed. If we send the wrong part (not as described), our 30-day return policy has you covered. You get a full refund, including the shipping fees.
1. This device is a lightweight, portable, and easy-to-operate noise detection tool. Its working principle is to convert the vibration signal generated by the noise point into an analog signal through a sensor and amplify it to detect and determine its location. 2. Audio signal indicator light: when the sensor collects and receives sound signals, the indicator light will flash with the size of the sound. The yellow, orange, and red indicator lights correspond to the weak and strong states of the sound. 3. One-click mute: Long-press the remote control mute button to mute with one click. 4. Current consumption:19mA 5. Applicable battery: 100mAh lithium battery, 3.7V batteries 6. Probe sensitivity: -65Ddb 7. Maximum audio amplification factor: 15000 times 15000X 8. Answering method: 32 ohm headphones 9. Charging: Please turn off and charge 10. The charging time is about 3 hours
