Ultrasonic Mice Repellent with Flashing Light Indoor, Rodent Repellent, Mouse Deterrent, 360° Protect for Home, 4 Modes to Prevent Pest Adaption

2. Press and hold the power button to turn the device ON/OFF; the default working mode is DOU mode, the fixed ultrasound frequency of 25kHz and the variable ultrasound frequency of 22-35kHz will work at the same time, and the red indicator lights up;

3. Press the MOD button once to switch the device to ULTRA mode. In this mode, the device emits variable ultrasound at the frequency of 22-35kHz, and the green indicator lights up;

4. Press the MOD button again to switch the device to TRANS mode. In this mode, the device emits fixed ultrasound at the frequency of 25kHz, and the blue indicator lights up;

5. Press the MOD button for the third time to switch the device to TEST mode. In this mode, the device emits an audible sound that simulates the ultrasonic sound heard by mice, and the yellow indicator lights up.