Do you think that deadbolts or levers are enough for security in the external areas? Ultimately, these devices are not suitable for use in external areas like front doors, back doors, patio doors, etc. The digital door locks we mentioned are perfect for installing in those areas. We have recently gained the 2014 digital locks from our suppliers. Certain devices come with installation service included. Locksmith Flushing NY 24 can recommend a particular device after knowing your specific requirements. We are always happy to help.