2025 Upgraded Ultrasonic Repeller & Insect Indoor Repeller,Ultrasonic and Repellent for Roach,Rodent,Mouse,Bugs,Mosquito,Mice,Spider,Ant,3 Mode Switching,6 Packs

1. Press and hold the power button to check if the device can be turned on normally, and whether the blue light is on after turning on. 2. Short press the power button to switch modes. The second mode...