ALARMalarm mineThis small inconspicuous landmine is for general perimeter defense use. It is easy to set. The device comprises a mortar type body containing the flare projectile, expulsion charge, and firing mechanism together with a mounting bracket to a post or tree, etc. and the trip wire made fast at a suitable point. Tripping the wire will withdraw the actuating pin and fire the flare which rises to a height of 10 meters (330 feet) and gives a loud report.Diameter: 27mm Length: 50mm Explosive: 28g Range: 20mUnited Kingdom