DescriptionProduct Specifications: Model #: EML-8 (or EML-8A for Palm-Vein Recognition model). Finish Options: Matt-Black or Gun-Metal. Door Thickness Range: 40mm – 110mm Lockcase Pairing Options: Backset 60mm, Hole-to-Hole of 68mm 85mm. Materials: Aluminum-alloy (Housing). Battery: Extended Long-lasting Rechargable Li-ion (4700 mAh) Type-C outlet. CPU Memory Storage: max. of 9 Admins + 100 Users. Display: Ultra-clear 4.5″ LED. General Dimensions: 423.4 x 77.4 x 63mm (for details, please see diagram in the product photos section). Other Note-Worthy Features Include:120 dpi ultra-accurate finger-print sensor pad.Embedded passcode to avoid revealing your passcodes.2 pcs. of RFID keys and 2 pcs. of physical brass-keys for backup.Limited-time Performance Guarantee.Volume adjust or mute silence mode.Fully electric motor driven auto-locking (& un-locking).Pry-alarm to warn you from outside tempering.Mechanical quick-release for convenient exit and fire-safety.