<p>Wide Range of Application: The wireless motion sensor can be used to monitor and protect your outdoor/indoor properties. Can be installed in entryway, front porch, doorway, swimming pool, garage, shed, etc. It is ideal for homes, businesses and offices. The sensor works well in all seasons, and the working temperature ranges from -30 to 150℉ (-30 to 70℃).</p> <p>800m long range wireless transmission: the motion sensor and the plug-in receiver receives alarm signals up to 800m away (actual range depends on local terrain), and is a good solution for monitoring and protecting properties over a wide area. Advanced wireless transmission technology (FSK+FHSS) is adopted to avoid wireless signal interference from other devices.</p> <p>21m motion detection range: The motion sensor can detect people or moving vehicles within a range of 10 to 15 m. Motion detection chip and detection angle can reduce false alarms by dead leaves/small animals/sunlight/wind/temperature changes etc. and is ideal for outdoors/indoors where you want to receive an alert, such as car driveways, driveways, yards, garages, doorways and swimming pools.</p> <p>Plug and Play, Easy to Install: Just load 3 x 1.5V AA alkaline batteries (batteries not included in the package) and plug the receiver into the power outlet to complete the installation. The packaged product has been configured before delivery, and just place the sensors on the wall, fence post, tree or any other surface, and you can complete the installation in minutes.</p> < p>Fully Expanded System & 2-Year Warranty: Packaged product includes plug-in receiver and motion sensor. It can expand up to 32 unlimited sensors and receivers for full coverage of its outdoor/indoor properties. 4 adjustable volume levels and 35 tones to choose from. The different tints can correspond to different sensors to distinguish which sensor is activated.</p>