Electronic cabinet keypad lock with exquisite workmanship and elegant appearance. Independent and open dual working modes can be switched at ease, 3 colors indicator light to show different status. USB emergency power supply, password protection, garbled code input. Perfect for home and public places. Features: 3 colors indicator light: red for low voltage, yellow for password error alarm, green for lock opening. Independent and open dual working modes can be switched at ease, perfect for home and public places. With external usb power supply interface to cope with power outage situation. Support garbled code input, add random code before/ after true code. Password protection, temporarily lock the keypad for 5 minutes after 3 consecutive wrong inputs. When the voltage is lower than 4.8V, the alarm will be released to remind you to replace battery in time. Made of premium quality material. Compact design, exquisite workmanship and elegant appearance. Specifications: Material: ABS + Electronic Components Color: Silver Indicator Light: Yellow/ Red/ Green Low Power Indicator: Voltage< 4.8V Emergency Power Supply: USB Interface Power Supply: 4 * AAA Batteries (NOT INCLUDED) Item Size: 56 * 85 * 16mm / 2.2 * 3.3 * 0.6in Item Weight: 139g / 4.91oz Package Size: 12.5 * 7.2 * 5.7cm / 4.9 * 2.8 * 2.2in Package Weight: 174g / 6.13oz Package List: 1 * Lock Panel 1 * Lock Cylinder 1 * Locking Buckle 1 * Pouch of Installation Screw 1 * Manual