SL-130 Dead Bolt Lock (All purpose type) 1. All purpose type, oval cylinder can be unlocked manually. 2. Compect size, with round coner design easy to install. (Face wide 25mm) 3. Build-in CPU for door position detection and currency control to avoid error action. 4. Oval cylinder will unlock either manually or at emergency. 5. Built-in delayed egress control point . Door will be locked automatically when door is not opened within 5 seconds.