Three work modes Mode 1: Motion detection at night with alarm sound and light flashing. Mode 2: Motion detection during the day and night with alarm sound and light flashing. Mode 3: Night only cyclic alarm sound and light flashing every 5 minutes. Change work mode with a button press. 100db warning sound Alarm reaches 100db and is triggered by motion within 58 meters. Detection angle is approximately 125 degrees. Sound includes gunshot and dog barking tones to deter potential threats. IP65 waterproof and easy installation Built with durable ABS material for year round outdoor use. Weatherproof to handle various conditions without protection. No wires required for installation; simply hang the solar strobe alarm where it receives sufficient sunlight. Wide range of applications Suitable for outdoor use in orchards, pastures, homes, farms, barns, villas, yards, fences, factories and other security areas. Recommended installation height: 34 meters from the ground. Solar and USB DC charging Equipped with a quality monocrystalline silicon solar panel for solar charging. Additional USB interface allows charging from a USB power source.