Yardeen Eco-friendly Dog, Cat Repellent Dual Speaker Ultrasonic Repeller Animal Pest Control for Home,Garden,LawnProduct Description: > More powerful ultrasonic sound with dual speaker > Strong flash available to frighten animal away > Robust structure for outdoor use > Easy to set up > Adjustable frequency for different kind of animal > Adjustable motion sensor sensitivity to get your desired detection range > Keeps animals away with annoying ultrasonic sound and flash when the motion sensor detects them > Ideal for protecting your garden, lawn, pond, patio,