​Due to the proliferation of smart home products, the interaction between the home and the user has greatly changed. Whether it is lights that respond to voice commands or home security systems that operate independently, there are high-end technological products in almost every part of the home. There are no lever handles in this respect. Lever handles that were once a basic functional element have now been developed into a high end functional and converged devices for comfort, safety and efficiency in Smart homes. In this article, the focus has been on how lever handles operate in a smart home system, how the current world technology has influenced their performance and how far they could go in future.

​People increasingly pay more attention to security at their places of work. This may be in protecting important information or even controlling movement to certain areas of the business. One such necessary component of a full security system that is often taken for granted is the lever handle. As simple as these may seem, lever handles are not only a door hardware accessory but serve an important and beneficial function within the workplace. In this article, the role of lever handles in the overall security system, their positive support in day-to-day functioning, as well as such innovative products as those of HANGFAT will be discussed.