they can go off in your bag, it's happened once to me. if it's on 'lock' mode, and something comes across the sensor, it arms itself. any further movement and it goes off for 10 secs or until you remove what's blocking the sensor. if you don't want this to happen, keep it off lock mode in your bag.
they can go off in your bag, it's happened once to me. if it's on 'lock' mode, and something comes across the sensor, it arms itself. any further movement and it goes off for 10 secs or until you remove what's blocking the sensor. if you don't want this to happen, keep it off lock mode in your bag.