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The Window Alert UV LED Key Chain Decal Tester features a 385nm light-emitting diode ultraviolet. It works by clearly revealing the quality of the UV coating on decals. It helps identify if the coating is already fading and needs to be changed. To see how effective it works, test your old and new decals at night or in a dark room to see the difference. Product comes in a key chain to make it comfortable to bring anywhere.
|For use in:||Window Alert Decals|
|Application:||Use at night or in a dark room.|
|Dimensions:||6.25 x 3.00 x 0.50|
|Parts Included:||Key chain|
|Shipping Weight:||0.03 lbs|
|Manufactured By:||Window Alert (Mfg. Number: WINDBKEY)|
A Window Alert Decal features a coating that radiantly reflects ultraviolet light. Same with other natural or man-made product, UV coating will diminish when disclosed to elements. The rate at which this coating deteriorates is a function of elevation, inclement weather and exposure to sunlight.