The HY-4 Smart Lock is a high-performance home security solution featuring a sleek nickel finish and durable zinc alloy construction for long-lasting use. The front panel measures 161.5×73.3×30 mm, and the back panel is 168.5×72.5×51.2 mm, suitable for standard wooden and metal doors with a thickness of 35mm to 55mm. Equipped with a semiconductor fingerprint sensor, it supports up to 50 fingerprints with a false acceptance rate of less than 0.001%, offering both convenience and enhanced security.

The HY-4 allows for password input of 6 to 16 digits, customizable to hold up to 100 passwords, with a virtual code feature for added protection. In addition to capacitive touch keys, it comes with two mechanical keys as a backup for emergencies. Powered by four AA batteries, it has a lifespan of approximately 10 months. Compliant with the ANSI BHMA A156.25 standard, it operates in a temperature range of -35℃ to +70℃, making it adaptable to various environments. The HY-4 unlocks quickly in just 1 second, providing a secure, convenient, and efficient user experience.