Turn freely for 180° --- Locks door lever upgraded day are more practical and versatile. The locking arm can be freely rotated. à 180° in both directions, easily changing the working and non-working status. Suitable for most handles---Fits most handles most types of handles door lever on the market. The structure of the new door handle locks is more stable and advanced than similar locks on the market. Why need it---No more children or pets around you locked in a room. Keep babies away from dangerous rooms or spaces. Prevent children from playing with the door and pinching their fingers. Not only effective for babies, but also for pets. Remote operation One-handed operation---Press the invisible button and rotate the lock arm to unlock, press the invisible button and rotate the lock arm to lock. Easy for adults to learn open with one hand but difficult for children. Viscosity high--- Except for 3M VHB tape (the effect will be better after 24 hours), no tools or drills are needed. 3M VHB Tape has strong viscosity, no damage or residue left behind. the door.