Durable, all-metal structure, solid zinc alloy, and stainless steel frame. Weatherproof, etc. Make sure your front door is protected on rainy or sunny days.
Simple DIY installation, just a cross screwdriver can be easily installed. No extra training is required. No locksmith is needed. The door handles of the left and right doors are reversible.
Even if you miss the low battery notification, you can use the power pack to power it through a small power slot and let yourself in.