Fingerprint lock White Overview A compact, keyless lock for windows and small openings that combines fingerprint access with adjustable ventilation limits and efficient power management. Designed in ABS and steel, the unit supports fast TypeC charging and stores up to 20 fingerprints. The lowpower design and child safety features make it suitable for homes with children and for users who need secure, convenient access and controlled ventilation. Key benefits Quick, secure access: Open doors or windows instantly with fingerprint recognition, eliminating the need for keys or manual unlocking. Adjustable ventilation without compromise: Set the maximum window opening gap to allow fresh air while preventing openings that are easy for children to reach. Child safety focused: Physical limit on opening height reduces the risk of falls and unauthorized access through openings. Reliable power and long runtime: Lowpower circuitry extends time between charges, while TypeC fast charging reduces downtime when recharging is needed. Simple capacity and compatibility: Stores up to 20 fingerprints for household members or occasional users. Works within a 3.5V to 4.2V operating range. Features Fingerprint unlocking for fast, keyless operation window opening limit to control ventilation and safety TypeC fast charging interface Lowpower design for extended use between charges Child safety oriented locking gap limit Specifications Product name: Fingerprint lock Material: ABS+Steel Size: As shown Color options: White, Black Charging method: TypeC interface charging Fingerprint recording limit: 20 fingerprints Working voltage: 3.5V to 4.2V Package contents Fingerprint lock x1 Use scenarios 1. Home with young children: Install on bedroom or living room windows to allow airflow while limiting the opening to a childsafe height. 2. Apartment ventilation control: Use on balcony or kitchen windows to keep windows partially open for ventilation without leaving them fully unsecured. 3. Caretaker or shared living: Grant fingerprint access to multiple users while maintaining a controlled opening limit for safety and privacy. What it solves This lock removes the need for keys, simplifies access with biometric recognition, and provides a practical way to balance ventilation and safety. Its TypeC charging and efficient power use minimize maintenance, while the physical opening limit helps protect children and reduce the risk of accidental falls.