Angel Halo / The visually-impaired

Using the front radar to monitor the roadblock and road condition.
It will measure the front distance and alert the visually disabled to protect them from any possible injuries.
Distance sensing device.
Use radar wave to estimate distance from front, will be alert while something is too near to the visually disabled
Vibration sensing device.
When any object is too near to the visually disabled.
This device give warning to the visually disabled by vibration
Sound warning device.
This device gives warning to the visually disabled by voice when the front distant sensing device detect any object is too near to the visually disabled.