Black automatic locking mechanical combination lock

Details

This mechanical combination lock is designed for homes and offices, featuring a high-precision mechanical code system that operates reliably without batteries or power supply. The waterproof design ensures reliable operation even in rainy or humid environments. The automatic locking function automatically locks the door after closing, enhancing security and preventing the risk of forgetting to lock the door. It supports two unlocking methods: code unlocking and backup key unlocking, offering flexibility to meet different user needs. With a sturdy overall structure and a simple yet elegant design, it combines security, durability, and ease of use, making it an ideal choice for enhancing door security.

Specifications

Material: Zinc alloy + ABS
Dimensions: 142mm x 76mm
Door Thickness: 35-50mm
Unlocking Method: Key, Code
Applicable Scenarios: Indoor doors/Outdoor doors