This series of flash pen has four colors with yellow, green, blue and purple, which can be used for ?logo? reflection and easy taking with a keychain itself. Owing to its ABS rubber material, AG3 battery(powerful and long-time lasting) and bright LED components, it can flash the ?logo? more perfect and clearer. Its best reflected effect while a distance of 1-4 meters and it can reach over 5 meters in a much darker place. N.W.: 8.60KGS G.W.: 10.6KGS Colors: Yellow, Green, Blue and Purple Material: Copper Place of Producing: Made in China Measurements: 60.5*30*29 Packages: 200PCS/CTN Type of Article: flashlight plastic pen