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High convenience and reliability are now being chosen not only in accommodations but also in various business scenes. With the cooperation of our valued customers, we have created a collection of case studies. It includes numerous specific examples of utilization in hotels, vacation rentals, and rental spaces. 【What LINKEY Plus Can Do】 ◾️ Streamlining Key Handover LINKEY Plus allows for remote setting of access codes. The set access code can be notified to guests in advance via thank-you emails, aiding in streamlined operations. ◾️ Enhanced Security and Trouble Prevention By utilizing the locking and unlocking record function of LINKEY Plus, unauthorized access can be monitored. It can also respond to sudden troubles such as lost keys or forgotten access codes from a remote location. ■ Reliable 5-Year Product Warranty LINKEY Plus comes with a 5-year product warranty. You can use it with confidence even in harsh environments such as rain, wind, salt damage, and temperature fluctuations. Please consider the benefits brought by this cutting-edge key management system at this opportunity! *For more details, please download the catalog or feel free to contact us.

What is the LINKEY series? LINKEY is a smart lock that streamlines your business operations. Currently, we have LINKEY Plus, which is well-received and available for small to medium-sized businesses such as vacation rentals, and LINKEY Pro, a new product set to launch in February 2025, recommended for managing multiple keys. LINKEY Plus / Pro Pricing Plans LINKEY Plus: *Please refer to "Pricing Information" for details. This communication method connects one relay device for each LINKEY unit. It offers the advantage of being more cost-effective than LINKEY Pro when operating a small number of units (1 to 3). It is also recommended for those looking to implement it across multiple buildings! LINKEY Pro: *Please refer to "Pricing Information" for details. *One relay device is installed per floor. LINKEY Pro allows you to manage all LINKEY units on a single floor with one relay device. Therefore, for customers who want to manage many locks on one floor, LINKEY Pro is recommended! Customers considering four or more units on one floor can benefit from using "Pro" at a better price!

**What is LINKEY Pro?** LINKEY Pro is a smart lock designed for businesses, highly recommended for managing multiple keys in hotels, guesthouses, rental spaces, and more! **Features of LINKEY Pro** As the third generation of the LINKEY series, "LINKEY Pro" is equipped with new communication technology, making it more convenient and comfortable to manage multiple devices! - Manage multiple smart locks with a single gateway (communication device)! - Integrate with the reception system to automate an entire floor with just one gateway, reducing operational costs! - Replace traditional keys with smart locks to solve the hassle of key management! **One Gateway for One Floor** A significant advancement of LINKEY Pro is that, thanks to the new communication technology, it can manage an entire floor with just one gateway! The stability of communication has also improved compared to previous LINKEY models, allowing for even more reliable use! **More Savings with Multiple Installations** LINKEY Pro allows you to manage multiple devices with a single gateway, enabling you to keep monthly usage fees low while enjoying great savings!

**What is the LINKEY Series?** The LINKEY series is a smart lock that started with the original LINKEY (discontinued), followed by LINKEY Plus and LINKEY Pro, which are currently on sale and well-received. The series boasts a total shipment of over 24,000 units. **LINKEY** (discontinued) LINKEY is the first smart lock from UME, launched in December 2014. Its basic functions are not significantly different from the current LINKEY series, and the always-connected smart lock was a groundbreaking product at the time. *Currently only available for maintenance support. **LINKEY Plus** Released in October 2020, LINKEY Plus is the successor to LINKEY. The maximum number of registered passcodes increased from 1 to 100, and the variety of compatible IC cards has expanded. It remains a very popular product, widely used primarily by short-term rental operators! **LINKEY Pro** Launched in February 2025, LINKEY Pro is the third smart lock in the LINKEY series. It incorporates new communication technology, allowing for the management of an entire floor with just one relay device while maintaining ease of use!

LINKEY Plus is a smart lock that streamlines your business operations. In this article, we will introduce the features of LINKEY Plus that can make managing rental spaces more efficient! **LINKEY Plus and Rental Spaces** If you are managing a rental space, LINKEY Plus can solve the problems that arise! - No need for key handover Users can easily unlock the door with a passcode. By utilizing system integration, passcodes can be automatically notified in conjunction with reservations, significantly reducing the operational burden. - Eliminate the risk of losing keys By using a passcode, the risk of losing physical keys is eliminated! Additionally, by assigning an expiration date to the passcode, unauthorized use beyond the reserved time can be prevented. Management of cleaning and maintenance staff If cleaning or maintenance is required after use, staff can enter with a dedicated passcode. This greatly reduces the risks and hassles associated with managing keys for cleaning! By utilizing LINKEY Plus, you can significantly enhance the efficiency of managing rental spaces.

What is LINKEY Plus? LINKEY Plus is a smart lock that streamlines your business operations. In this article, we will introduce the weather resistance of LINKEY Plus! Weather Resistance of LINKEY Plus Waterproof Performance: LINKEY Plus is equipped with weather resistance equivalent to IPX6. IPX6 means it can withstand strong jets of water from any direction! You can use it with confidence in environments exposed to rain and wind, such as front doors! Usage in Harsh Environments: LINKEY Plus is designed to operate in temperatures ranging from -20°C to 50°C. For example, it can be used in hot regions where temperatures can reach nearly 40°C in summer, or in harsh environments during winter where snow covers the area and temperatures drop below -10°C. Points to Note When Using: Difference Between Outdoor and Indoor Units: Weather resistance against rain and wind is only available for the outdoor unit. Please install the indoor unit in an area that is not exposed to outside air. Usage in Areas with Extreme Temperature Fluctuations: Rapid temperature changes may cause condensation to form inside the device. This condensation can lead to rust and other issues inside the device, potentially causing malfunction.

What is LINKEY Plus? LINKEY Plus is a smart lock that streamlines your business operations. In this article, we will introduce the security features of LINKEY Plus! Security Features of LINKEY Plus LINKEY Plus is equipped with numerous features that enhance security. - Auto Lock The auto lock feature activates when you unlock the lock and close the door. This prevents the accidental forgetting of locking the door when you go out. - Opening and Closing History LINKEY Plus allows you to check the opening and closing history through a web management tool. You can verify any unauthorized unlocking or unfamiliar history! - Expiration Date Setting for PIN Codes LINKEY Plus allows you to set expiration dates for PIN codes. By adding an expiration date to the PIN codes used by guests, you can prevent unauthorized entry after their usage ends! - Elimination of Key Loss Risks There are various risks associated with the operation of physical keys, such as emergency responses due to lost keys by guests or staff, and the costs of replacing locks. LINKEY Plus eliminates these risks as it allows unlocking with a PIN code!