Advantage | Waterproof |
Call Button : It is the button to press going with the display. When you press the button, the where you are shows up on the display. People who need to do the servce with the products such as waiter, nurse, shop staffs, etc, check the on the display and go & serve for people who press the button. The product can be used in many places such as Restaruants, Hospitals, Factories, Parking Lots and Senior Care Centers, etc.