Credit card-sized magnifier, Bright LED light, Slide-out ink pen, Large lens with 3x magnification power, Powered by 2 CR1220 batteries, inserted. Complies with Prop 65. 3.125" L x 0.25" W x 2.0" H. Price includes a 1 Colour Imprint. Imprint area is 0.75" W x 1.375" H on Top. Call for multi-colour or multi-location imprints or for rush delivery availability.