The StealthALERT mobile jobsite alarm helps prevent tool and equipment theft. Place StealthALERT in any enclosed space—Conex boxes, job boxes, trailers etc. If a thief attempts a break-in, its light, motion, or vibration sensors trigger an instant alert to your phone via the Simtek app. Choose your bundle below. We highly recommend you add the UniMOUNT, it is essential for attaching StealthALERT to any surface.