door lock door lock latch door locks door lock door lock for door latch lock door locks door lock locks for doors door reinforcement plate safety locks for doors home door lock front door safety lock locks for doors inside inside door lock interior door lock door lock door reinforcement lock door latch door chain lock heavy duty door latches for top of door childproof door locks door lock latch locks for inside door lock chain lock for front door door safety locks Safety Protection Design: Made of all-aluminum alloy, the sturdy door reinforcement lock can withstand 800 lbs of force, fixed with 4 screws. locks for door, Equipped with four long and four short screws, a total of 8 screws. A must-have choice for providing extra door to home safety. Easy to Install: The safety door lock can be installed within 5 minutes with an drill and a screwdriver. The family quickly gained a sense of . The special design allows you to quickly unlock it under any circumstances to avoid accidents. If the frame is too thick, it may not fit your door. Please check the image to see if our product is suitable for your door. Unlock in Second: Reach out and press the upper and lower grooves of the reinforced door lock and pull horizontally to the fully unlocked state to unlock. Unlocking and locking can be completed within a second with a little . The most convenient and fast door device. Rid of Unsafe Neighborhoods: Give your home, your apartment an extra layer of in unsafe neighborhoods. The safety door lock is stronger than 12 ordinary deadbolts, and it is designed for living alone, the elderly and families with young people. 5-Year After-Sales : is committed to providing for families. We provide a 5-year after-sales for our products. If you have any questions, please feel to .