Kerong Safety Lock is an electric lock ideal for use in office drawers, cabinets, wardrobes, and any other place that needs extra protection. It is equipped with a fingerprint recognition panel and a 12-digit keypad, with a code of 4 to 8 digits. It has 3 modes: public mode, private mode, and limited public mode, and is powered by 3x AAA 1.5V batteries (not included). It also features a USB Micro port for emergency power supply from an external power source.