Warm Tips: Our warehouse has delivery process monitoring to ensure that each product is not leaking from picking up to packaging to delivery. Please rest assured to buy!
To turn on the device: Press and hold the power button for 3 seconds, a beep will sound, and the digital tube will flash green numbers and then disappear.
To turn off the device: Press and hold the power button for 3 seconds, two beeps will sound, and then it will automatically shut down.
You can choose to adjust the sensitivity between 1-4 by pressing the sensitivity button continuously.
1st level: 15KHZ, digital display 1 with 6s
2nd level: 20KHZ, digital display 2 with 6s
3rd level: 30KHZ, digital display 3 with 6s
4th level: 15KHZ-30KHZ, it will emit for 1-3 level 3 different ultrasonic frequency sounds with 6s, digital display 4.