Contains two lights: Clear for front, Red for back of bike, Lights can be set for steady on, slow flashing or fast flashing, Easily fastens to bike with elastic strap, Translucent case allows for optimum illumination, Each set stores in a durable plastic case with magnetic closure. Complies with Prop 65. 3.625" L x 1.75" W x 0.75" H. Price includes a 1 Colour Imprint. Imprint area is 2.25" W x 1.0" H on Top. Call for multi-colour or multi-location imprints or for rush delivery availability.