Item Name: Safety Keyless Entry Access Digital Mechanical Code Lock Door Lock Gate. Applicable type: Indoor, outdoorMaterial of lock core: CopperPanel material: Zinc alloyApplicable door thickness: 30-65mmLock body material: Stainless steel- SPECIFICATIONS: Color: silver, panel size: 107*43*20mm, panel material: zinc alloy, lock body material: stainless steel, applicable door thickness: 30-65mm, bolt center distance: 60mm, note: both left and right doors Applicable, the password number cannot be repeated (such as 8888). - WIDE USE: Suitable for both left and right hands. This mechanical keyless door lock is widely used in entrances, bathrooms, passages, mid-range commercial offices, schools, and heavy-duty residential projects. - DURABLE AND EASY TO INSTALL: This mechanical door lock is made of zinc alloy material, durable, safe and waterproof. Contains complete installation hardware and manuals and instructions, you can install it yourself. - NO KEY, NO CARD, NO BATTERY POWER: The mechanical combination lock design keeps you away from the high risk of "low battery" and avoids the trouble of losing your card and key. The mechanical coded door lock adopts a button design, which is convenient and safe to enter, no need to carry or forget the key. Package Including:1 x Lock1 x User Manual *Please make