1.Solar-Powered Sensor Alarm: This solar motion sensor alarm combines ultrasonic waves, 129db sound, and red-blue flashing lights to deter a wide range of animals. Perfect for ensuring your home's security with its powerful deterrent features. 2.Customizable Alerts & Volume Control: Record your own voice for a home security alarm sound. Adjust the volume as needed to ensure it doesn't disturb your neighbors while still being effective. 3.Four Operational Modes: Mode A offers 24-hour multi-frequency ultrasonic alarm; mode B activates only at night; mode C has 24-hour voice alarms; mode D works with voice alarms at night. Select the ideal setting for your needs. 4.Dual Power: For solar charging and USB backup during long cloudy days or indoor use. Ensures consistent operation regardless of weather conditions with its IP55 outdoor waterproof rating. 5.Versatile Applications: Ideal for application in yards, orchards, farms, construction sites, warehouses, gardens, or anywhere else requiring security alarms or animal repeller solutions. Solar panel: 5Vx120mA monocrystalline solar panel Charging method: solar charging/DC 5V charging Charging time: solar energy Greater than 8 hours/DC charging 2 hours (DC5V x 1A) Working time: sensing about 15 seconds sound and light alarm Greater than 100 times Sound: Voice file: dog barking-gunshot-gong-eagle call-firecrackers-lion roar-pig killing-explosion-beeping alarm-car horn-alarm-bell-whistle (loop play) Ultrasonic file: 12MIHZ-44MIHZ multi-segment high-frequency ultrasonic sound alarm Waterproof level: IP55 Battery: built-in 3.7V 1200mAh 18650 lithium battery Sensing distance: 5-8M (affected by ambient temperature), sensing angle 60 degrees up and down, 110 degrees left and right Installation: wall mounted Remote control: remote contr