Product usage tips 1.Press and hold the power button for 3 to 5 seconds, releaseyour finger when you hear a beeping sound, and the indicator light will turn on. Short press can control the flashing speed ofthe red light. Each time you press the button, the flashing frequency will be one level faster, a total of 6 level optional; 2. Move the detector up, down, left and right to scan thesurrounding environment with laser light. The eyes areobserved through the detector's red filter, if there is acamera in front, you will find a strong bright spot flashing; 3. If the detector terminal keeps beeping, please clear thesurrounding environment, or lower the sensitivity of thedetector; 4. If the window is made of aluminum atyoto r can receiveantenna with the detector, so that the detector can receive better signals, which will trigger the detector alarm function; 5.The commonly used dormant locator works once a day for5-7 minutes, so when the detector detects the wireless signalnormally, the locator cannot be detected if it does not send a signal during the working time; 6.The real-time locator generally sends a signal every 10seconds or so. Please do not move back and forth duringdetection. It is recommended to fix it in one position for morethan 5 minutes and then change to another position to continuedetection.