• Material: Crafted from high-quality Stainless Steel and Polycarbonate, ensuring durability and longevity. • Unlock Options: Unlock your door effortlessly using the convenient methods provided including App, Passcode, OTP, Fingerprint, Remote Access, Card, Physical Key, and USB port. • Door Compatibility: Suitable for doors with thickness ranging from 40mm to 150mm, ensuring versatility and compatibility with various door sizes. • Weight: Each piece weighs approximately 2.5kg, offering a sturdy and reliable build. • Standard Mortise: Designed with a standard mortise size of 605022160mm, ensuring easy installation and compatibility with standard door configurations. • Battery Requirement: Powered by 4 AA Alkaline Batteries, providing reliable and long-lasting performance.