Special Locking and Unlocking Operations- -Compare to the similar locks in the market, the door lever lock's locking and unlocking operation is much smoother and easier for adults to use. Simple appearance can greatly incorporate into your home design,reduce the curious babies' attention. Easy to Install- -Install the door lever lock with the 3M VHB tape, no tools or drill needed. adopts strong viscous 3M VHB tape, no need to worry about the adhesive failure. Pls note the tape's effect will be better after 24 hours. The 3M VHB tape iseasy to remove and with no residual on the surface, so no need to worry about the damage to the door. Simple Design and Wider Application Ranges- -Simple Design and comfort color schemes make the door lever lock fit more customers' home environment. Suitable for most kinds of the door lever handles in the market. Why it is Necessary- -Prevent children or pets from entering specific prohibited rooms. Prevent kids from playing with the doors and get injured. Avoid babies or pets from locking themselves in a room. IMPORTANT ATTENTION- -PLS MAKE SURE THE ARM CAN'T BE PUSHED UP OR DOWN WHEN THE LOCK IS UNDER "LOCK" OR "UNLOCK" POSITIONS. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin