TENTUFF Escape Window Security Screen provides an easy keyless exit that you can open effortlessly with one single touch, in case of an emergency. At the same time, it is equipped with a 3-tier anti-jemmy system that makes it tough for a burglar to break into your home. Advantages Keyless exit system – one touch release It can swing outward or inward 90o opening for easy exit 3-tier anti-jemmy design to protect locks.