1. Designed for a wireless 433 outdoor solar invasion infrared sensing sound and light alarm. When an intruder enters the sensing area, the device will send out a sound and light alarm higher than 120 decibels to warn and remind and prompt.2. Supports 5 warning alarm modes, 24hour warning mode with sound and light. 24hour silent mode with light and silent. intelligent judgment not to alarm during the day, enter the alert state at night. disturbing mode, silent alarm at night, dangerous area mode, always flashing lights.3.Waterproof frame and easy to install, no need for debugging and wiring, thickened shell, durable and sunproof, saving your installation troubles, onetime installation, safe and comfortable.4. Standby for 60 days without son, automatic identification of night alert mode, nonworking during the day, intelligent identification of people continuous interference and alarm power consumption. When someone is always present, the device does not work, can save power. Intelligent identification of pet interference and false alarms in different occasions.5. The detection distance is 912 meters, can intelligentlly identify the person's repeated shaking judgment, the dangerous area flashing reminder and the change day and night alarm modes. 6The Fresnel lens is used to effectively overcome the false alarms caused by sunlight. Let you feel the intelligent life when using, enjoy a safe and accurate life.