About Turning the Device ON/OFF
To turn on the device, press and hold the “POWER” button for 3 seconds. When you hear a beep and see a flashing green number, it will indicate that the device is turned on, after which the number will disappear.
To turn off the device, press and hold the “POWER” button for 3 seconds until you hear two beeps and turn off the power.
4 Modes of Sensitivity Settings
You can adjust the sensitivity from 1-4 by pressing the sensitivity button. Level 1 is the lowest sensitive and level 4 is the highest.
Level 1- Ultrasonic Frequency 15KHZ, digital display 1 with 6 seconds
Level 2- Ultrasonic Frequency 20KHZ, digital display 2 with 6 seconds
Level 3- Ultrasonic Frequency 30KHZ, digital display 3 with 6 seconds
Level 4- Ultrasonic Frequency will emit for 1-3 level 3 different ultrasonic frequency sounds with 6 seconds, digital display 4.