1. The design of this solar alarm is a wireless 433 outdoor solar intrusion infrared sensor sound and light alarm. When the intruder enters the sensing area, the device will send out a sound and light alarm higher than 120 decibels, with alarm threat and prompt functions, detection distance of 9-12 meters, intelligent recognition of human body repeated shaking judgment, flashing prompts in dangerous areas, day and night alarm mode. 2. Intelligent mode, supports 4 alarm modes and wireless accessories linkage alarm; 1. Learning detector and remote control mode; 2. Deleting detector and remote control mode; 3. 24-hour alarm mode, with sound and light; 4. 24-hour silent mode, with light and no sound; 5. Intelligent judgment, no alarm during the day, enter the alert state at night 6. Anti-interference mode, silent alarm at night 3. Easy to install, this solar alarm has a waterproof structure throughout the whole process, easy to install, no need to debug wiring, thickened shell, durable and sun-proof, saving you the trouble of installation, one-time installation, safe and comfortable. 4. Efficient use. This product can standby for 60 days without direct sunlight. It automatically recognizes the night alarm mode and does not work during the day. It intelligently recognizes the continuous interference of people to alarm power consumption. When someone is always there, the device does not work to save power. 5. Regardless of the temperature difference, the detection distance remains 912 meters. Different usage scenarios can intelligently identify pet interference and false alarms. The Fresnel lens is used to effectively overcome false alarms caused by direct sunlight. Let you feel the smart life when using it and enjoy a safe and accurate life.