repeater/customer appraisement machine/evaluator/3 keys or keypad/size :11.8cm*15.4cm11.5cm

Opinion controller/customer appraisement machine/evaluator/ 

3 keys or keypad on the appearance

size :11.8cm*15.4cm11.5cm

Lowest price in China which price you can compare with the other company !

Great quality and various functions which can meet your display requirements!

Goof sales-after service ,when you have any questions about the products!

You can say all the requirements about the products ,and we will try our best to meet your requirements!