►Add Extra Door Lock, Defend You and Prevent Unauthorized Entry Winonly reinforcement security door lock guards your home safe. In addition to providing good quality security door lock ,we offer satisfying service and warranty on all our door locks to make sure that you could buy with confidence, we would try to solve the problem until you are satisfied . ►Upgraded Safer Door Lock with Groove Design for Easy Opening in Emergency. This reinforcement security door locks not only prevent breaking in but also easy to open in case of emergency. ► Winonly Childproof Door Guardian Gives Your Family More Protection，Which is Also The Great Gift for Family. In last years，more than 50,000 customers choose security door locks as home gifts. ► Simple Installation - Extra Door Lock Require drill, 1/8 in. drill bit and screwdriver.Easily install this door lock into your door frame with the included screws.(Chisel may be required if door fits tightly against the jam. ) ► Cost Efficient - Reinforcement Door Lock Who says you can't have both quality and cost? With the purchase of our security door lock, you will get safety more than you can image. ► Let Winonly Home Security Door Lock Guard Home Safe as a Defender. 1) Tamper resistant and child-safe design, prevents children from wandering off un-attended. 2) Install in just minutes using strengthen screws. 3) Door sliding door security bar cannot be opened from the outside. 4) 12 times stronger than a common deadbolt. 5) Groove design for easy opening in emergency. 6) Work on inward swinging doors. ►Package Includes: 1 Instruction 2 Reinforcement Door Locks 8 Screws