The best alternatives to SMADO INC are PERI Duo Case, Lockitron Bolt, and Fido. If these 3 options don't work for you, we've listed a few more alternatives below.
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FIDO is the embodiment of a futuristic smart lock, placing its focus on security and safety above all else. Simplistic and minimalist in its design, FIDO is complex and smart in its engineering.
This portable safety gadget locks doors in a slightly open position and prevents finger injuries. The open gap can be adjusted to let cats in/out of rooms while keeping dogs/kids out. Easy to install- No tools, drills, or glues. Leaves doors damage-free!