The first remote-controlled 6-in-1 pest repeller remains the most popular ultrasonic electronic pest repeller with coverage up to 5,000 square feet. Get rid of pests quickly. Adjust your own inaudible high-voltage ultrasound (inaudible), sonic harassment and predator sounds (audible) and dense. NOTE: If the sound volume annoys you, you can turn down the sound volume using the volume knob. Sound frequency: 15 kHz -18 kHz. Ease of use includes the option to set up day, night or 24 hour protection for your garden, lawn, shed, shed, loft, farm, barn, warehouse, patio or anywhere safe and effective pest control is needed. Please read the instructions before installation, ultrasonic waves are emitted forward from the device with a range of approximately 170 degrees horizontally and 60 degrees vertically. Extended coverage and waterproof the most powerful PIR infrared motion sensor available. Use the sound wave repeller setting or adjust it so that it is completely silent and inaudible to humans. Unique sealing and design allow you to set it up anywhere. The Yard Sentinel comes with the longest extension cord on the market or runs on batteries (not included). For cabin and campground ownersother power accessories are available. Intelligent Power System The device can be used in remote areas without traditional power sockets by connecting the cigarette lighter power supply to a 12V DC sealed lead-acid battery outlet using a dedicated extension cord with alligator clips and a DC power plug. (AC adapter not included). The user-friendly adjustable frequency dial allows you to get rid of cats, dogs, mice, squirrels, rats, skunks, raccoons, birds, deer, mosquitoes and more. Or set it to knock them all off at the same time. Providing humane and chemical-free pest control. Please note that our remote controls are suitable for all Yard Sentinel models except Yard Sentinel RV/Yacht.Ultrasonic Outdoor Animal Repeller, Remote Control Pest Repeller Pest Control With Motion Detector -SJL SZRH A-C