Anti-Blue Light Test Pen Blue Lens Test Pen Color Changing Film Detection Blue-Violet Light Pen

Product description: 100% brand new and high quality You can play it with your cat which can help you and your cat to exercise. You can use it as Teaching Flashlight which has 532nm blue light. You can use it as Euro Pen Money Tester which Works on most international paper currency. How to use as Money Tester : Mark the note,for example,with a cross,in an area which is lightly-coloured and not printed on. If the marking shows up as bright yellow, your bank note is genuine and therefore valid! If the marking goes dark and stays dark, your bank note is forged! The marking disppears again after a few hours

Product Specifications: Material: Metal Color: Black Size: 150*14 mm

Product packaging list: 1 Pcs Blue Light Test Pen (no Retail Package) Without battery included ( need 2pcs AAA+ Battery)

Notice: 1 cm = 0.3937 inches; 1 mm = 0.03937 inches; 1 inch = 25.4 mm; 1 inch = 2.54 cm. Due to different monitors and lighting effects, the actual color of the product may be slightly different from the color shown in the pictures. Since this product is purely manual measurement, please allow 1-3 cm measurement deviation. Hope you can understand, thank you! The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.