> For the complete documentation index, see [llms.txt](https://docs.ifreeq.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.ifreeq.com/faqs/smart-product-solution/lock.md).

# Lock

- [BLE Lock](https://docs.ifreeq.com/faqs/smart-product-solution/lock/ble-lock.md)
- [NB-IoT Lock](https://docs.ifreeq.com/faqs/smart-product-solution/lock/nb-iot-lock.md)
- [Wi-Fi Lock](https://docs.ifreeq.com/faqs/smart-product-solution/lock/wi-fi-lock.md)
- [Zigbee Lock](https://docs.ifreeq.com/faqs/smart-product-solution/lock/zigbee-lock.md)
- [Other Issues of Lock](https://docs.ifreeq.com/faqs/smart-product-solution/lock/other-issues-of-lock.md)