【Mechanical code lock】: Adopting alloy die-casting hand wheel, the hand feels smooth and shows the quality, and it is as long as new and durable. The internal code blade is made of all steel, and the surface is rust-proof and electroplated to effectively prevent aging and rust. 【High-quality material】: Five-layer alloy casting body, alloy steel body, can better protect the box from damage by external forces, and has a high anti-breakage coefficient. The panel is made of stainless steel laser cutting, with a hardness of 120HRB, anti-rust, scratch resistance, and high wear resistance. 【Humanized design】: All-steel mechanical panel, stylish appearance, water-proof, fire-resistant and rust-proof, low prying point, good safety, adjustable partition 【Safe material】:Thickened integrated door panel, free to adjust the space inside the box, integrated cut door panel, low prying point for micro slits and micro gaps. 【2 unlocking methods】: You can easily enter the password, and then turn the knob to open the safety box directly without a key. If you forget the password or the battery is dead, you can use the emergency backup key to unlock the security box.