Gunshot and dog barking sounds can effectively prevent illegal intrusion and can scare wild boars IP65 waterproof, suitable for outdoor use, solid and durable 129dB loud sound and ?ashing light, good alarm effect Solar panel charging, with built-in rechargeable lithium battery to work for a long time Suitable for homes/orchards/construction sites/farms/warehouses and other places that require security alarms Specification: Solar Panel: 5V 80mAh Monocrystalline Solar Panel LED: 6 flashing red LEDs Sensing: 1st gear 24-hour induction sound and light alarm mode, 2nd gear night-induction sound and light alarm mode, 3rd gear night cycle 5-minute sound and light alarm Material: ABS Charging method: Solar charging, DC charging Charging time: 8 hours (light intensity in different seasons will affect charging efficiency), DC charging <1 hour (DC5V*1A) Working time: Induction for about 30 seconds, sound and light alarm more than 200 times, shutdown standby > 1 year, power on standby > 3 months Alarm sound: 129 decibels Battery: 3.7V/400mAh polymer lithium battery with over-charge and over-discharge protection Sensing distance/angle: 5-8 meters (affected by ambient temperature), induction angle 125 degrees