The Infrared Wireless system alerts you the moment someone enters your property. With this system, you'll have advanced notice that someone's on their way to your door all the time. With 5-8 meters of sensing range Compact, discreet motion-sensor unit installs on garage, mailbox, fencepost...nearly anywhere. And when triggered, it sends a wireless signal to the receiver unit, up to 300 feet away! Wireless Range:300 feet ensing Range:5-8 meters The Infrared Wireless system alerts you the moment someone enters your property. With this system, you'll have advanced notice that someone's on their way to your door all the time. With 5-8 meters of sensing range Compact, discreet motion-sensor unit installs on garage, mailbox, fencepost...nearly anywhere. And when triggered, it sends a wireless signal to the receiver unit, up to 300 feet away! Feature The Infrared Wireless system alerts you the moment someone enters your property. With this system, you'll have advanced notice that someone's on their way to your door all the time. With 5-8 meters of sensing range Compact, discreet motion-sensor unit installs on garage, mailbox, fencepost...nearly anywhere. And when triggered, it sends a wireless signal to the receiver unit, up to 300 feet away! When the unit's adjustable chime tells you you're about to have a visitor, you can prepare accordingly. Installs in minutes, no tools needed; Completely wireless; Alerts you to visitors, trespassers, deliveries and more; Includes wireless sensor and wireless receiver No wiring required, just turn it on. Simply attach the sensor to the fence or mailbox pole for long driveways, or directly garage doors for shorter driveways, There are 3 mode choices (Sound/Flash/Sound and Flash) and 3 levels volume adjustment (High/ Middle/Low) Include 1 x Wireless Detector Alarm (transmitter) 1 x Receiver Wireless Range:300 feet ensing Range:5-8 meters The Infrared Wireless system alerts you the moment someone enters your property. With this system, you'll have advanced notice that someone's on their way to your door all the time.