Method: Tests are conducted according to the standard. The products including packaging go through high temperature at +60⁰C to low temperature -40⁰C, from dry condition at 20% of moisture to wet condition at 80% of moisture.

Purpose: 1. To test the products for any possible structural deficiency under extreme hot and cold conditions.

2. To test the products for possible severe deformation under extreme hot and cold conditions.

·Method: CODYSON’s drop test uses the conditions 20% higher than the standard.

·Purpose: To ensure that the products are well protected against possible dropping during shipping and handling.

·Method: 1. The product works after being powered on and off for 5,000 cycles.

2. The push button’s surface film has no damage after 10,000 cycles.

·Purpose:   1.To test the quality of the push button as well as the electrical circuitry.

2. To test the proper surface film material is used for the button film.

To test the reliability of the wire, if it is used inside the lid, and the hinge structure for 10,000 times.