Pull key chain out of light to activate alarm, Push and hold down button for light, Features a soft rubberized case. Complies with Prop 65. 2.75" L x 2.625" W x 1.0" H. Price includes a 1 Colour Imprint. Imprint area is 0.5" W x 0.5" H on Middle. Call for multi-colour or multi-location imprints or for rush delivery availability.