Product Description

STRONG**7 is an elegantly rounding-trimmed slim design door lock, a premium-class digital secondary key product with both high class and functionalit. * High-speciἀcation slim-type design * Password Exposure-Proof * Electric Shock Measures * FireAlarm/Voice Guidance * Alarm/Voice Guidance * Emergency Key [ Specification ] - Front Body : **5**0**2 **- H*W*D / unit:mm - Rear Body : **3***0**7 **- H*W*D/ unit:mm - Batteries : DC 6V ( 4 X 1.5V AA alkaline betteries ) - Battery life cycle : 1 year - Number of possible registration carfs : *0 cards