U.V sensor card

You have known, Excessive levels of UV light can cause sunburn, premature aging of the skin, and skin cancer.
Usage:
The UV Card measures the strength of UV light in about 15 seconds, to help you determine the optimum level of sunscreen SPF to use.
Other uses:
It can be used to test sunglasses, glasses, TV's, computer monitors, and more.
Details:
This item can measure the degree of ultraviolet radiation rapidly and accurately in 15 seconds under the sunlight indicating with obvious color, which will remind you in time to make sunproof precautions, such as using proper sunproof products correctly according to different color skin.
It is made from PVC plastic sheet or hard paper card, and it has sunproof and waterproof functions. With the photosensitive material, you can make image design to the card content according to your requirement so as to form Post card, Name card, Information card, Traveling spot Ticket.

This product features as novelty, fine craftsmanship and durable to use. It is intensely used in many fields. It has good promotion for cosmetic, outdoor activities.