Description:1. perfect for outdoor security.2. Can be mounted to fence, sheds, trees, etc. Requires 12g blanks,3. This device causes a loud bang and flash when used with a 12 bore saluting blank. All necessary steps must be taken to ensure safe deployment and use. Do not place in a position where the report or flash can cause injury to human or animal. Ensure the device is not placed where children can gain access. Do not deploy where a fire risk is possible. Unless you are certain that the above requirements are satisfied, do NOT deploy this device.None Are supplied. No trips line is supplied.Color: As shownmaterial: metalPackage Contents:1 x Alarm Safety SwitchOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.