The Smart Sensor Alarm Car Door Opening Anti-collision Device is designed to improve driving safety and prevent collisions. It features an intelligent sensor that automatically detects when a car door is opened and emits a flashing light to alert other drivers. The device is made of high-quality, heat-resistant ABS material, ensuring durability and reliability. With its solar automatic charging and ultra-long battery life, it can be used for more than ten days on a single charge. The device is easy to use and can be controlled through the setting switch on the back. It is also easy to install and remove thanks to the non-marking double-sided tape on the bottom.The Smart Sensor Alarm Car Door Opening Anti-collision Device is not only practical but also energy-efficient. It absorbs sunlight during the day and automatically flickers at night, improving visibility and safety. You can choose between red and blue light options, allowing you to customize the device to your preference. The LED high-gloss lamp beads will automatically flash when the light is low, ensuring that other drivers can easily see your vehicle. With its compact size of about 59*29*10mm and sleek black color, the device blends seamlessly with your car's design.Enhance your driving experience and protect yourself and others on the road with the Smart Sensor Alarm Car Door Opening Anti-collision Device. Its advanced design and reliable performance make it an essential accessory for any vehicle. Whether you're driving during the day or at night, this device will provide you with peace of mind and added safety. Don't compromise on safety - invest in this smart and convenient device today!Key Features:Intelligent sensor detects car door opening and emits flashing lightHigh-quality heat-resistant ABS material for durabilitySolar automatic charging for long-lasting useUltra-long battery life of more than ten days on a single chargeEasy to use and control through setting switchCompact size and sleek black color for seamless integration with car designLED high-gloss lamp beads automatically flash in low lightEasy installation and removal with non-marking double-sided tape