Manufacturer Yale ASSA ABLOY Model AU691F-LHR-626-LC Trim Function 691F Trim – Fail Secure – Lever is locked when power is off (Free-Wheeling). Power on allows lever activation for entry. Inside device is always active for egress. Mechanical key override (09 Function – Key allows lever to retract latchbolt. Key can only be removed in locked position.) Handing LHR – Left Hand Reverse Current Draw 4 AMP @ 250VAC Voltage: 24 VAC/VDC Mode Fail Secure Voltage 24 VDC Current AC/DC Warranty 1 Year Warranty Weight 4.0000