Solar energy: The barking dog alarm uses a 5V x 150mA solar panel and features 6 flashing red LEDs with two operating modes: 24-hour sound and light activation, and sound and light activation at night. Solar charging requires over 8 hours, while DC charging takes less than 2 hours (DC 5V x 1A) and supports more than 100 activations.Recording function: The barking dog motion sensor includes a recording feature that allows users to record custom messages or sounds. Recordings can be repeated, with each recording supporting up to 20 seconds of audio and playback repeated twice per trigger.360-degree motion sensor: The perimeter alarm is equipped with a 360-degree motion detection system, capable of detecting movement within 15 to 20 feet. Ideal for use in homes, orchards, construction sites, courtyards, warehouses, and other locations requiring security alerts or animal deterrents.13 realistic barking sounds: The outdoor motion alarm emits up to 129 decibels, simulating the presence of a guard dog. It supports multiple sound options including dog barking, wolf howls, gongs, firecrackers, lion roars, pig squeals, explosions, police sirens, car horns, alarms, bells, and whistles.Wireless remote control: The barking dog alarm comes with a wireless remote control with an operational range of 10 to 200 meters, allowing users to arm and disarm the device remotely.