Entry Door Handle & Single Deadbolt: This door handle set consists of an entry door handle and a single deadbolt; If you want to enter from the outside, you need to unlock the door with a key, while the inside can be locked by turning the thumb button; This dual-locking mechanism effectively enhances the security of your house, making it ideal for families with elderly or small children; It is ideal for both residential and commercial places, you can use it anywhere you need security Robust & Durable: Crafted with a high-quality zinc alloy, this door handle is not only sturdy and durable, but also waterproof and rust-free; Its thick coating will not easily peel off or scratch, which is ideal for households with pets; Besides, our mechanical mechanism operates smoothly, eliminating the worry of getting stuck; Once installed correctly, it is virtually noiseless, allowing you to enjoy your moments without any disturbance Elevate Your Entryway: Adopting a satin brass finish, this door handle is simple and elegant, which is ideal for modern style doors; Besides, compared to the round door knob, this lever handle requires minimal effort—its intuitive push-down motion works seamlessly for stiff joints or mobility needs, also makes it ideal for the elderly, kids, or anyone carrying groceries; Whether from aesthetics or practicality, our door handle is a perfect choice for upgrading your room doors Fit Most Standard Doors: If you can't figure out whether your door fits the left or right handle, don't worry, this door handle is reversible for both left and right doors; It fits door thickness from 1 3/8 inches (35 mm) to 1 3/4 inches (45 mm), and the door latch can be adjusted between 2 3/8 inches (60 mm) - 2 3/4 inches (70 mm) from the edge; Before your purchase, we recommend measuring your door dimensions to ensure an ideal match Worry-Free Experience: Everything you require is right in the box—just grab a Phillips screwdriver, and you can take a successful installation; Each package includes a step-by-step installation guide with clear diagrams, so take a moment to review it before starting; If you have any questions about the product, please feel free to contact us, we will provide you with a solution as soon as possible door handle