Features: *New and high quality *Made of high-quality materials, durable and practical *Quick installation and easy to use *Made of high-quality materials, anti-corrosion, wear-resistant, and non-deformation *Easy to install: Made of ABS material and electronic components, the door opening alarm can be easily installed on any car or truck door *High Sensitivity and Quick Response: This door open alarm has a built-in sensor that can detect any movement of the car door and trigger a loud sound to hint other drivers and pedestrians. It is very convenient and practical to use. *LOUD hint : The door opener alarm sounds when your truck or car door is opened so you can hear it clearly and avoid accidents. *Small and beautiful design: The door opening alarm is small and does not affect the appearance of the car or truck. It's very nice and easy to install. *Wide application and safe: This door open alarm can be used in any car or truck, and it can help you avoid a collision by hinting you and other drivers when your door is open. This is a simple device that will keep you safe on the road. Describe: *Do you want to ensure your safety when opening your car door? Do you want a device that doesn't affect the appearance of your car? Then you need a door opening alarm! *A car door open alarm is a small and convenient device that hint you and other drivers when your car door is open. It has fast response and loud sound to prevent accidents and collisions. It's easy to install and use, and won't damage your car or affect its appearance. *Door door alarm works with any car, truck or SUV. It's a must-have accessory for every driver who values safety and convenience. Specification: *Product name: Door opening prompter *Material: ABS + electronic components *Colour: Black *Voltage: 12V *Current: 1A *Power: 0.5W *Light response : 2 minutes *Size: as shown in the picture *Universal Fitment =YES Fitments： Used in most types of vehicles, including trucks, forklifts, off-road vehicles, engineering vehicles, cars, ships, motorcycles, etc.; Complete machine list: 1*Open door prompter Notes: 1. Due to various factors such as monitor brightness and light brightness, the actual color of the item may be slightly different from the image displayed on the website. 2. Manual measurement data may have slight deviations.