- SAFELON W3211 lever lock designed to prevent children and pets from accessing restricted rooms - Pack of 2 units, ideal for interior doors in homes with babies - Tool-free installation thanks to 3M VHB adhesive tape, strong and easy to remove without damaging surfaces - Invisible button design, difficult for children to find and manipulate, increasing safety - Compatible with most door handles, locks in both directions (up and down) - Hidden switch under the gray part, activated by pressing and turning to lock or unlock - Practical and discreet solution to protect little ones and prevent household accidents - No drilling or tools required, quick and hassle-free installation