球形智能锁电子密码门锁室内门木门把手锁免改孔替换球形锁带钥匙

Product information:
Scope of application: Interior doors; no drilling required for replacing the spherical lock.
Specifications: OS120C 2nd generation silver model with password and key, OS120C 2nd generation black model with password and key.
Material: Aluminum alloy.
Style: American.