3X Alarm Gate Fence Trips Line Wire 12G Blank Firer Intruder Alarm Safety Switch for

Please kindly noted that this item is sold by starrysky from Joybuy marketplace. 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. Colour:Silver Material:metal Package Contents: 3 x Alarm Device Only the above package content other products are not included. Note: Light 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.