It is a key light, when you push the button,will turn on ,easy to carry and use.Key Accessories,is wonderful promotion gifts Packaging: plastic cardWeight: GW: 7Kg NW: 5KgCarton size: 144PCS 42 * 34 * 38.5cmBU Carton size: 200PCS 27 * 17.5 * 16cmWeight: GW: 3.8Kg NW: 2.8kg Key Chain Flashlights