Our Fingerprint Door Lock is the perfect solution for securing your home with ease Designed to fit standard door thicknesses of 35-60mm, this lock is also waterproof, ensuring reliable functionality even when it's raining. It's powered by 4 AAA batteries (not included), and is compatible with mortise sizes of 60/70 or 5072 (details below). For other sizes, please contact our customer service team. Say goodbye to fumbling for keys and hello to convenient, secure home access with our Fingerprint Door Lock.