A. INTRODUCTION

By using certain setting temperature range , it will present color of the rainbow along with different temperature and angle. The color can be reversibly.

B. PRODUCT DESCRIPTION                      

a. Material Properties：Aqueous Ink.

b. Product Purpose： This capability allows the manufacture of exciting color change graphics that can be used in a wide variety of applications across many industries. These range from simple novelties like the well-known mood-ring to Color change Card , Forehead Temperature Indicator , Medical Device , Freezer , Drink (Feeding bottle , Wine bottle) , Bath Water , Fish Tank , Tension Indicator , Fashion Accessories.

c. Liquid Crystal Temperature Indicator is provided with favorable using efficiency.

Feature： Flexible , Distinct Indication , Environmental , Safety , Practical Utility.