I bought this device to open the front door without a key. I researched several devices before purchasing this one and having previously purchased the wrong one. This device works with exit devices and panic panels from Yale and Global Door Controls. I was told it may work with others if you buy adapters. I was very happy about this as nobody seems to have made a device that works with Global doorknobs. I was even told it doesn't exist, but it works with Global Door Bars. The device is very heavy, the handle feels heavy and is of very good quality (it has no play and play, it is solid). It works as it should and we programmed it to have different codes to do different things for each person operating it and entering the building. You can program it to unlock and stay unlocked based on the code you enter (called pass mode). You can also program it to open just for you and close after a few seconds (one time entry). This feature is amazing. You can also program 1 temporary codes where the code can only be used once and never again. This is a high quality professional machine and I have been very pleased with it. I recommend it to anyone who thinks it will work with their hardware. I'm writing this review because I wanted someone to say what I'm saying and save me from buying the wrong device first. Wish you the best.
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