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I'm interested in your safe that features a manual code combination. I want to know if there are options available to replace the existing door or lock with a digital keypad lock. It's essential for my needs to have this upgrade, as digital locks offer greater convenience and security. Could you provide information on whether such modifications are possible? Additionally, if so, please share any specific details about the process, potential costs, and any compatible digital lock models that would work well with your safe. Looking forward to your insights!