This UHPPOTE Electric Strike Door Lock is perfect for access control systems. It is fail secure and has a NO mode, meaning it is locked when power is removed. It has a powerful holding force of 500kg/1100lbs, making it suitable for wooden, metal, and PVC doors. It also features a built-out MOV for added security. Please note that this strike lock needs to be used with a mechanical lock, which needs to be purchased separately.