Thank you for understanding! So please rest assured to do shopping in our shop. Language support: Chinese-English bilingual system and voice navigation Fingerprint capacity: 200 pieces Password capacity: 1000 groups Card capacity: 1000 groups Working voltage: 4 1.5V alkaline dry batteries Operating current: dynamic power consumption Less than 200mA, static power consumption Less than 55uA Working temperature: -25°C+65°C Working humidity: 595% RH (no condensation) Power connector: micro-USB (DC5V) Optional accessories: remote control, single door side strip, framed door split package Colour:black Material: ABS Size:11.420cm Package Contents: 1 master lock 1 secondary lock 1 mounting plate 1 screw package 2 smart card 1 instruction manual 1 box Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. The item “FREE DHL Smart Glass Door Lock Office Keyless Electronic Fingerprint Lock” is in sale since Monday, December 2, 2019. This item is in the category “Home & Garden\Home Improvement\Building & Hardware\Doors & Door Hardware\Door Locks & Lock Mechanisms”. The seller is “supernovastore” and is located in guangzhou. This item can be shipped to North, South, or Latin America, all countries in Europe, all countries in continental Asia, Australia.