1pcs Ultrasound Pest Repeller Device-Cockroach Repeller

FEATURES - Repels all kinds of insects and rodents - Eco-friendly; No maintenance necessary - No requirements for refills, unlimited use - Sufficient for an average sized apartment/home - Ideal for home use - Features a practical nightlight - Expect results after 1 to 3 weeks - Dimensions: 4"x 2.5" x 2.5" (Approximately) Red light - indicates the device is working properly Yellow light - indicates the electromagnetic function, it will blink when the device is working properly Green light - indicates the ultrasound function, it will blink when the device is working properly.