SL-70B’s slim design allows it to be effectively installed anywhere thus making this product suitable for used in various environments be it big or small. That said, this is only one of its many amazing features. With SL-70B, all you need to do is just press on a few buttons and DONE! The door is opened. Other than that, this smart lock also has three more alternative unlocking options such as card, mechanical key or even smartphone access through Bluetooth communication, which makes it a very versatile product. What’s more, the capability to establish 3 different User Group Types (Admins, Regular Users or Temporary Users) further allows SL-70B to broaden the security aspect to a whole new level. Get SL-70B and worry not about being constricted by the limitation of a traditional lock system by utilizing this advanced piece of technology