The Alarm Lock Trilogy DL2700 leverset has always been a popular choice for upgrading to a commercial grade, stand alone keypad security solution; packed with features such as easy installation with no external wiring, up to 100 fingertip programmable user codes, 5AA battery powered with an estimated 5 year life span and low battery alert, BHMA Grade 1 durability, and … Continue reading Alarm Lock Trilogy DL2700LD – Product Feature!