Detailed Product Description

Specification for 250Die-Cast Cover Finishes: US28 AluminiumDimensions: 18"W x 8 1/2"H x 3 1/4"D (24"W when using extended clapper plate)Weight: 9lbs.Shipping weight: 10lbs.Mounting Height: Centre of unit should be approximately 38" from the floorSpecial Features: 250 Models have changeable 2-minute alarm cutoff or manual resetStandard Features: Non-handed surface installations on single or double doors. Audible low battery warning and cam for exterior key control. Low activation pressure. Includes door warning sign.Power: 9VDC Alkaline Battery (use optional "AC9" or "PP100" for AC power with battery backup). Current(Standby)-7 Micro Amps typical. Battery Life-one year standby typical; 200 Alarm sequences typical; constant alarm 7 hours typicalLock Bolt: 1" throw-Heavy die cast zinc alloy with reinforced steel steel insetsSouth Pressure Level: 95 db Dual Piezo Horn (measured at 10)Operating Temperature: 20oF to 135oF(-7oC to 57oC)Feature for 250Deadbolt and deadlatch meet relatching requirementsBlaring 95 db dual tone Piezo alarmSelectable 2-minute alarm or constant alarm9V battery powered and audible low battery warningNon-handed surface installations on single or double doorsMeet or exceed UL, CFM, ADA, NYC housing requirements250 Models have changeable 2-minute alarm cutoff or manual resetPairs of DoorsIf two exit devices are not required, use one lock with a Model 735 Double Door Keeper-push one Model 44 Double Door Holder one the inactive door (or vertical rod).Pairs of Doors with Centre MullionsPairs of this style should be treated as two single exit doors. Use two locks for maximum safety and security.