a. Introduction：

     The Rain Sensor is a highly versatile device for automatic wiping of vehicle windscreen when it is wet due to moistue,raindrops or even mud.It works by reflecting harmonious light beams within a windscreen a drop in the light beam intensity.The system then activates the wipers to operate in fully automatic.

b. Benefits：

1. Safety:
         The 0.1 seconds response time allows for quicd reaction when sudden splashes of water totally`blinds`the 
         driver.without the Rain Sensor the driver would be in a risk of an accident.

2.Comfort:
          a driver may be subjected to many distractions:heavy traffic,bad weather,dangerous road conditions and
           fatigue.The Rain Sensor reduces the driver`s burden,making driving more comfortable.Trailing a wet car is no 
           longer a nuisance as detection of even 0.005 milliliters of water is possible.

c. Features:

1.        Automatic Wiper Frequency.

2.          Intelligent Wiper Speed Contrd.

3.          Auto Tuning for Different Windscreen.

4.          Manual Override Function.