Car LED Traffic Light Anti-collision Smart Parking Device

1. When the car is about 2.5 meters away from the parking device, the green light will be on, and a slow frequency alarm will sound.
2. When the car is about 1.5 meters away from the parking device, the yellow light will be on, and a medium-frequency alarm will sound.
3. When the car is about 0.5 meters away from the parking device, the green light is on, and a rapid frequency alarm sound prompts.
4. Scope of application: parking plants, garages
5. Material: ABS
6. Power supply: 9V battery (not included)