1.Dual-Button Child Proof Door Lock Mechanism Unlock lever-type door handles only by simultaneously pressing the hidden function button and trigger button, a toddler-proof design that blocks handle movement via vertical latch positioning. Unlike traditional child safety locks for doors, this mechanism eliminates single-button failures, ensuring door locks for kids safety 2. Sleek & Secure Door Handle Baby Proof Cover Child safety door handle locks made of white ABS (1.5cm slim profile) , doubling as a door knob safety cover for kids to prevent scratches. Matte finish blends with modern interiors, ideal for bedroom door locks or Child Proof Doors 3.Universal Compatibility for Door Lever Locks Fits 99% of lever-type doorknobs (rounded/rectangular, smooth/rough surfaces). For sliding doors or Child Proof Door Lever Lock needs, use the up/down double-lock configuration. Ideal for baby-proofing door handle locks in kitchens, bathrooms, and balconies 4.3-Second Rental-Friendly Installation Non-destructive adhesive system (lab-tested 5.2N/cm² strength) reaches full hold in 24 hours. Remove with a hairdryer (10 seconds heat) – perfect for child door lock setups in rentals 5. 1-Year Warranty & Support Covers adhesive failure or child-proof door lock malfunctions, with free replacements. video tutorials to simplify toddler door lock installation