Designed for ease of use, our door bell button allows to notify drivers with a simple press. Suitable for buses, trains, and taxis, it meets diverse travel needs. The button's sound ensures that alerts are unmistakable, while its portable design means it can be easily carried and used in various situations, ensuring passenger safety and convenience. Features -Color:Multi -Material:Plastic -Size:12.00X5.00X3.00cm/4.72X1.97X1.18in -Effortless operation: press the button to alert the driver, providing a straightforward way for to request a stop -Wide range of uses: suitable for various vehicles like , trains, and taxis, accommodating different travel needs -Loud and clear audio: produces a loud and clear sound to ensure the driver request immediately -Convenient portability: its compact and lightweight design makes it easy to carry and use in different situations -High durability: made from durable materials, ensuring it remains functional and reliable over time Package list: 1 doorbell