Digital mechanical code keypad door lock designed for keyless entry and reliable mechanical operation. Zinc alloy integrative structure offers durable construction while maintaining a compact profile. Open the door with a programmable code and use the included emergency override keys when needed. Key benefits Keyless entry by code reduces the need to carry or manage keys. Emergency override keys provide backup access in case a code is forgotten. Reversible for left or right door installation to suit most door setups. Standard 2 3/8 inches backset fits common residential and office doors. Zinc alloy construction for strength and everyday use. Compact keypad and back components for simple installation and a lowprofile look. Important features Operation: Mechanical code entry with emergency override keys. Material: Zinc alloy. Color: Silver. Handing: Suitable for both lefthand and righthand doors. Backset: Standard 2 3/8 inches. Dimensions Keypad part: Length 108 mm (4.25 in), Width 43 mm (1.73 in), Thickness 21 mm (0.83 in). Back part: Length 108 mm (4.25 in), Width 43 mm (1.73 in), Thickness 17 mm (0.67 in). Measurement allowance: plus or minus 1 to 3 cm. Package contents 1 door lock 1 instruction manual Installation and use Designed for easy installation on standard doors with a 2 3/8 inches backset. Read the instruction manual thoroughly before using the unit and retain the manual for future reference. Practical applications Home entry door for keyless family access and controlled code sharing. Office interior or supply room door to simplify staff access without key management. Rental property or shortterm rental entry where temporary codes and emergency keys provide flexible access. Notes Color in photos may vary slightly due to lighting and display differences. Please follow the manual for programming codes and using the emergency override keys.