Set of 8 solar-powered security alarms. - Model Name: Solar Alarm - Quantity: Set of 8 - Colors: White/Red - Features: Solar powered - Applications: Security alarm 【Two Charging Methods & IP64 Waterproof】This infrared sensor has a built-in 2000mAh battery, eliminating the need for battery replacement and allowing for ultra-long operation. It can be charged by connecting a USB cable during rainy weather, with a full charge taking 2-3 hours and lasting for 3-4 weeks (★Note: This product does not include a charging USB cable). On sunny days, it can be charged automatically by the built-in solar panel. With IP64 waterproof rating, it's safe to use even if it gets wet in the rain, so you can install it in places where it might get wet from rain or watering the garden. (★Note: In heavy rain or typhoons, please move it indoors temporarily). 【Security Alarm】: This solar-powered human sensor is for preventing theft in warehouses, farms, orchards, etc., where you can't always keep watch. Equipped with an infrared sensor, the alarm will sound when a person approaches. It triggers the alarm when suspicious individuals pass by, which is good for intimidation and makes living alone easier. This repellent is made from the perspective of animal welfare. It can drive away animals without harming them. 【3 Modes Available】: There are three modes: "24-hour mode Flash & Buzzer Sound", "Night mode Flash & Buzzer Sound", and "Night mode Flash only", which you can choose according to your needs. 【Solar Charging & Remote Controller】: Solar lights use the solar energy stored during the day, so they don't cost electricity and are environmentally friendly. It's a perfect power outage countermeasure, and it maintains the alarm function even if the power goes out due to disasters such as earthquakes and typhoons, contributing to crime prevention and evacuation. When using it for the first time, charge it for 6-8 hours, and it will continue to work for about 30 days. It can be controlled with a remote control, saving you trouble, and it's very convenient because you won't forget to turn it off. 【Wide Sensor Detection Angle & IP65 Waterproof & Durability】: The detection angle is 125°, and when installed at a height of 2m, it can detect movement within 2-12 meters. Please pay attention to the installation height. There is also a sensitivity adjustment dial, which can be adjusted depending on the situation. : IP65 waterproof grade