Glass Break Sensor LEOBLUE Security Sale! from 5500 /per Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. DIY Security Glass Break Detector-Pick up the sound of glass cracking often times before an intruder even shatters the glass. Tip Use in areas of large amount of glass, sliding doors. Has a 25 foot range. Stop intruders right away with our burglar alarm Tweet