1. With shinning bright blue LED light on four sides.

2. Internal recoiler, enhanced steel cable with 60cm pull length, visible steel cable resists 180 lbs pull force and 250 lbs cut force.

3. Steel cable resists more than 100000 times pull.

4. With 110db alarm.

5. Five alarm function for strong security protection(pls see below pic. of alarm case for details).

6. Guarantee 0% failure during usage.