Yellow glasses are used with viewing evidence with the 650 nm (UV) and 100 nm (white) heads.
Warranted against defects in materials and manufacturing for 1 (one) year from the date of purchase. The products contain no user serviceable parts. Any alteration, tampering, opening, or abuse voids the warranty. Please contact an authorized representative for warranty questions.
Clean using a soft cloth dampened with a mild detergent solution. Use a cotton ball or swab and a mild glass cleaner to remove dust and dirt from the lenses. Avoid touching the lenses. Do not drop or apply blunt force . Store the product in the travel case if provided when not in use. To extend the life of the battery remove the battery if the unit is not going to be used for several days.