Environmentally friendly:This environmentally friendly solution can scare off animals without causing any harm to them. Three drive technologies:over-frequency flash,audible alarm(optional)and ultrasonic sounds that only animals can hear. Power System:When both are installed,AC power is prioritized over battery power If the power supply fails,the device will switch to the backup battery if a battery is installed. Remote control:Receive distances up to 60-100 feet.Adjustable PIR infrared motion sensor detection with nighttime scanner technology. Remote Ultrasound Outdoor Animal Motion Detector,a new technology product that utilizes unique harassment and animal sounds,Confuse the intense flash strobe light and improve the ultrasound to block unwanted animals.Such as deer,birds(pigeons,Birds,seagulls,etc.) Campsites,airports,restaurants,meadows and thousands of satisfied homeowners enjoy a better environment. Plug specifications:US regulations Plug Type:US Plug,it applies to Canada,India,Japan,Mexico,Thailand,the ,the Philippines and so on. Power:3.6W Product size:16.8*8.3*13.6CM Ultrasonic frequency:15kHz to 25KHz(adjustable) Output sound pressure:0 to 110dB Working current:up to 300mA distance:(infrared sensor)30 feet/(effective range)5000 square feet/foot Security alarm sound pressure:0-110dB maximum(adjustable),/-5dB Strobe flashing frequency:10 times every 20 seconds Ultrasonic switch set to continuous mode Ultrasound,strobe lights and sirens operate for 20 seconds with a 20 second pause. Color:green material:plastic Package Contents: 1* repeller 1* remote control 1* installation package Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.