New concept of intelligent fingerprint lock, cost-effective, simple and stylish appearance! The position of fingerprint and mechanical key are all in the handle. It is convenient to install without opening the hole of the lock core. Stainless steel panel zinc alloy handle, family indoor door, office door, student dormitory door, engineering door dedicated, straight for the ordinary old ball lock, no holes, direct replacement, very convenient.Fingerprint identification: semiconductor identification style: simple modern lock core grade: C lock coreWorking temperature from -25℃ to +65℃ working voltage dc3.5v-4.2v main material aluminum alloy appearance process anodizing unlocking mode fingerprint unlocking/password unlocking finger print 40 (1 managed fingerprint, 39 common fingerprint) secret code 6-8 bit, 240 groups of packaging size 355mm*205mm*120mmUnit weight is 2.8kg, cross-border package weight is 3.0kg