pecification:Adjustable ultrasonic sound with a wide range of frequencies targeting troublesome pestsInfrared PIR Motion Sensor detects pests from approx. 50 feet awayStrobe function is especially effective for repelling night time creaturesEffective range up to 5,000 square feetBattery operated or plug inThe flashing light and frightening shadows combine with the piercing ultrasonic frequency and optional predator eagle sound to effectively scares away pests.Use it outdoors to rid your yard of cats, raccoons, skunks, deer, foxes and bats. The ultrasonic sound works during the day while at night you have the added protection of the flashing strobe, which is especially disturbing to animals that prowl after dark. At night, nocturnal animals' eyes become dilated and their senses are heightened. They don't want to be discovered as they track their prey, which makes the strobe especially effective for chasing them away. How It Works:Strobe light with sundown sensor creates continuous intimidating flashes that confuse and frighten pests away.Inaudible to humans, the high-pressure ultrasonic sound has an adjustable dial to target different kinds of pests.Audible predator alarm sounds sound like a bird of prey and is especially effective on birds and rodents.Alarm can be turned off or set to low volume to avoid disturbing neighbours in residential areas. Package Included:1 * Bird Ultrasonic RepellentNote:1. Please allow 1-3cm (0.4-1.18") difference due to manual measurement and slight color variation for different display setting.2. Due to the light and screen difference, the item's color may be slightly different from the pictures. Please understand.