Motion Capture The World's first and only Remote Activated Motion Sensor Alarm designed specifically for bicycles. This innovative Battery Powered motion sensor alarm stays hidden out of sight under your seat, and emits an ear piercing 110 db siren if disturbed. Sensitivity is totally programmable by remote control. Set the motion sensor sensitivity to pick up as llittle as a minor tap, or adjust the threshhold up a bit to filter out common movements like those found in community bike racks. The alarm is armed/disarmed by a keychain style remote unit, and even has a panic feature to bring attention to you when you need it. This complete water resistant and tamper proof alarm is the ultimate compliment to any Bike-Guard lock and is changing the face of bicycle security as we know it! By detecting even the slightest movement, this innovative alarm will send a would-be theif running before he even has a chance to get his tools out!