Item Type: Fingerprint Drawer Lock Material: Zinc alloy Battery: 3.7V rechargeable lithium battery 300mah (built-in battery) Fingerprint Capacity: 10 PCS Administrator Fingerprint: The first three recorded fingerprints Valid Entry Times: 5 times Recognition speed: 0.5 seconds Suitable Drawer Plate Thickness: Approx. 16mm/0.63in How to use: Input operation: (1) the first entry: long press fingerprint to release green light flashing finger can start first entry (green light flash), according to the fingerprint ? blue lights ? according to the fingerprint ? blue lights ? according to the fingerprint ? blue lights ? according to the fingerprint ? blue lights ? according to the fingerprint ? blue lights for 1.5 seconds. Entry complete. (2) the first entry: long press fingerprint to release green light long fingers (green light long can start validation administrator) ? according to the fingerprint authentication administrators ? green light flashing (verify success can start entry) ? according to the fingerprint ? blue lights ? according to the fingerprint ? blue lights ? according to the fingerprint ? blue lights ? according to the fingerprint ? blue lights ? according to the fingerprint ? blue lights for 1.5 seconds. Entry complete. (3) Pay attention to the light prompt: the blue light is on after the entry is successful. Input failure, red light flashes twice. The administrator authentication fails, and the red light blinks twice. The fingerprint is successfully registered, and the blue light is on for 1.5 seconds. Delete operation: Long press the fingerprint and the green light blinks → the red light blinks → loosen the finger → the red light keeps on → Verify the administrator by the fingerprint → the green light blinks for 1 second → Delete successfully. If the red light blinks once, deletion fails. Low power alarm: the red light flashes for about 5 seconds. The red light is on when charging, and the red light is off when it is full charged. 1、Privacy Protection: Fingerprint lock is definitely your choice to improve the safety of personal items and secrets, can effectively prevent your files from getting messed up or items from being damaged. 2、Humanized Design: Humanized design aims to create your private space only and make you enjoy your life, smart fingerprint lock can record up to 10 fingerprints. 3、Quick Response: Professional biometric technology with better response and sensitivity. 0.5s reaction time, unlock just in a blink. The finger is the key, opens with a touch. 4、Emergency Charge: Low power consumption, external USB mobile power emergency socket, no need to worry about the lock no power can not open. 5、Widely Use: Smart biometric lock can be widely used in wood furniture, such as wardrobe, drawer, cabinet, storage boxes and so on. Perfect for drawer plate thickness 16mm. 1 x Fingerprint Drawer Lock 8 x Screw 1 x Instructions