Mechanical Keyless Entry Door Lock – Durable, Secure, and Easy to Use Key Benefits: No batteries or wiring needed – reliable mechanical operation that eliminates the risk of being locked out due to power or circuit failure. Strong security with a 14button alphanumeric combination system, providing password options from 1 to 13 digits, with no required and simple operation for both elderly and children. Built from 304 quality stainless steel with rustresistant surface treatment, designed to remain bright and durable for up to 10 years. Features a solid lock cylinder and IP54 weather resistance with a thick waterproof washer for outdoor use. Product Features: Door Compatibility: Fits doors with thickness between 1.38 inches and 2.56 inches (35mm to 65mm). Ideal for fence gates, front gates, side alley or yard gates, and screen doors. Standard latch center distance of 23/8 inches (60mm). Maximum predrilled hole size that can be covered is 1.9 inches (not suitable for US standard 21/8 inch holes). Simple Installation: Comes with clear instructions, allowing nonprofessionals to set a password and install within about one hour. Requires minimal drilling, avoiding door damage. For installation without drilling, a GB2020 gate lock box can be used. Stable Mechanical Design: Pushbutton operation with manual locking from both indoors and outdoors. Offers longterm performance without dependency on electronics. Enhanced Security: 14key combination design offers over 100 times better security compared to standard digitalonly locks. Antipeeping feature helps protect your code entry. Practical Applications: for outdoor gates where electrical or batterypowered locks are impractical. Suitable for traffic home entry points like side yard gates or screen doors, ensuring quick and secure access without carrying keys. Ideal for rental properties or vacation homes where you need reliable access control with minimal maintenance. Specifications: Applicable door thickness: 1.38 inches to 2.56 inches (35mm to 65mm) Latch center distance: 23/8 inches (60mm) Maximum predrilled hole coverage: 1.9 inches Material: 304 stainless steel with rustresistant finish Weather resistance: IP54 Password options: 1 to 13 digits, no required Operation: Manual locking from inside or outside Installation: DIY friendly with minimal drilling; compatible with GB2020 gate lock box This mechanical keyless entry lock offers a secure, durable, and lowmaintenance solution for indoor and outdoor gates. It is designed to withstand outdoor conditions while providing reliable access without the need for keys or electronics.