6pcs Door Lock Security Child Safety Door Lock Latch Child Proof Security Lock

【Heavy-Duty Security】 Withstands 800 lbs of force - 12x stronger than standard deadbolts to prevent door kick-ins and unauthorized entry. 【Tool-Free Emergency Operation】 Spring-loaded design opens instantly with thumb pressure - ensures quick exit during emergencies without keys or tools. 【Child Safety Protection】 Installs out of children's reach - prevents accidental door opening while allowing adult one-handed operation. 【5-Minute DIY Installation】 Pre-drilled aluminum alloy base mounts with electric screwdriver - no professional skills required for setup. 【Universal Door Compatibility】 Fits standard inward-opening doors (3.34"x2.99" size) - ideal for homes, apartments, and hotel rooms.