1. Strong galvanized steel construction, 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 safe deployment and use. Do not place in a position where the report or flash can cause injury to human or animal. 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., Weight: 3.5825117575 pounds, Manufacturer: HWIREUIGT