OKLOK is a free Android app developed by Shenzhen Dragon Brothers Digital Lock Co. Ltd. It is a utility tool that eliminates the need for physical keys by allowing users to unlock their doors using Bluetooth technology. The app also features abnormal movement alarms, weak current smart prompts, and personalized characteristics that enhance its functionality.

With OKLOK, users can easily unlock their doors using their mobile phones, making it a convenient and efficient way of life. The app's Bluetooth technology eliminates the need for traditional keys, making it more secure and difficult to hack. The app also features an abnormal movement alarm that notifies users of any suspicious activity. Additionally, the weak current smart prompt feature alerts users when the battery is running low.

Overall, OKLOK is a useful and innovative app that provides a convenient and efficient way of unlocking doors. Its Bluetooth technology, abnormal movement alarms, and weak current smart prompts make it a reliable and secure tool for everyday use.