Loraffe Rodent Repellent Ultrasonic Pest Repeller Plug-in Mouse Repellent 4-in-1 Rat Deterrent Get Rid of Mice with Ultrasound Impulse LED Flashlights Predator Sounds, Humane Pest Control, Pack of 2Brand: Loraffe Color: Black Features: Emits a combination of multiple sounds and LED strobe lights to discourage rodent visits 12 high intensity LED strobe lights with dusk to dawn sensor disturbs rodents eyesight in dark environment Different sounds coming from 3 different speakers maximize rodent repelling results Four different sound modes to choose from: TEST, ULTRA, DUO, TRIO; A volume controller to adjust the volume of the audio speaker INDOOR