Lock Functions ML20905: Latchbolt by grip either side only when solenoid is energized. Outside grip locked when solenoid is not energized. Latchbolt by key outside when solenoid is not energized. Inside grip always free. Auxiliary latch deadlocks latchbolt Door Thickness 1-3/4″ (44mm) standard. Backset 2-3/4″ (70mm). Case Heavy-gauge chrome plated steel, 5-7/8″ (149mm) x 4″ (102mm) x 15/16″ (24mm). Handing Non-Handed Latchbolt 2-piece mechanical anti-friction insert, 5/8″ (16mm) x l” (25mm) x 3/4″ (19mm) throw. Mode of Operation Fail Secure Electrical Specifications 24VAC/VDC @ 390mA Continuous duty solenoid. Monitoring Options M92 – Request to Exit Monitor Request to Exit monitoring is a SPDT switch which monitors the activation of the trim. (Both levers activate switch) Certifications Meets FF-H-106C. U.L. Listed All locks listed for A label and lesser class doors, 4′ x 10′ single or 8′ x 10′ pair. Letter F and UL symbol on armored front indicate listing. Meets requirements of UL1034. Warranty 1 Year Warranty Weight 3.5000