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Temperature changes can affect a door, frame, latch, and lock mechanism in different ways. The correct remedy depends on whether the problem is caused by alignment, material movement, moisture, battery condition, or the lock mechanism itself.
Before replacing a lock, check door alignment, frame movement, latch movement, moisture, battery condition, and installation. Use the product manual for the specific model. Remove exact operating-temperature ranges unless the linked documentation confirms them.

This smart deadbolt door lock is able to work in the temperature of -4°F to 131°F/ -35°C to 55°C. Therefore, it could work well both in hot summer and cold winter. This kind of smart deadbolt door lock is an ideal option for those who live in the humid continental climate and look for a high-security residential single deadbolt lock.
This smart deadbolt door lock also offers you multiple benefits to help you create a smart house. First, we offer multiple access methods to ensure the flexibility and convenience of the access. You can unlock the door using your smartphone, a PIN code, your fingerprint, or a traditional mechanical key. If you opt for smartphone unlocking, simply add the WIFI module to enable this feature seamlessly. Second, this smart deadbolt door lock has an auto-locking function that automatically secures the door after 4 seconds by default. You can also customize the auto-lock time according to your preferences, setting it anywhere between 3 and 30 seconds. Third, supported by WIFI technology, you can share temporary codes with friends and guests. These codes can be valid for a few weeks, hours, or minutes, and can be revoked whenever necessary. Say goodbye to the worries of lost, stolen, or copied keys. Moreover, it seamlessly connects to your home Wi-Fi network, allowing you to control and monitor the lock remotely from anywhere. Experience the benefits of IoT technology at your fingertips.

This series of residential exterior door deadbolt locks are specially designed for use in extremely cold regions. It wan withstand the temperature range from -4°F to 131°F/ -35°C to 55°C. It is built with durable materials and components that can withstand low temperatures without compromising its functionality. Whether you live in a cold climate or experience harsh winters, you can rely on our lock to provide secure access to your home.
Three access solutions are available in this series of residential exterior door deadbolt locks —- smartphone, PIN code, and mechanical key. Then, you can unlock your house door at your will. And, it also has an auto-locking feature. After a specified period of time, the door will automatically lock itself, eliminating the need to manually lock it every time you leave the house. Furthermore, to enhance security, the residential exterior door deadbolt locks include a fake pin-code feature. This allows you to enter random digits before or after your actual access code, making it difficult for others to guess your code. It adds an extra layer of protection against potential intruders who may try to observe your keystrokes or deduce your code.

Powered by four AA alkaline batteries, our digital house door lock operates seamlessly in a wide range of temperatures, from -35°C to 55°C, and humidity levels of 20% to 93% +/2RH. Count on our lock to perform reliably, day in and day out.
Our digital house door lock features a sleek and durable design. The front and back bodies are made of high-quality aluminum alloy, ensuring both style and strength. It is suitable for doors with a thickness ranging from 1-3/8″ to 2″ (35mm to 50mm) and finished with an elegant matte black look. Also, the digital house door lock adopts the indoor electronic double lock switch to enhance security within your home. When activated, only the master code can unlock the door, providing an additional layer of protection for your loved ones and valuable possessions.
All in all, choosing the right house door lock is important. If you live in a region that has extreme weather conditions, you also should pay more attention to the selection of digital house door locks. Otherwise, you may lock yourself outside and have to face the cold winter or hot summer wave.
Keep this article focused on residential maintenance. For product identification or support, use the product directory or contact support.