PLOLRELM Fingerprint Door Lock — Biometric Smart Door Knob with Keypad (Black)

Secure, convenient access at your fingertips

Meet the PLOLRELM Fingerprint Door Lock, a smart door knob engineered for bedrooms, home offices, and shared spaces. It combines biometrics with multiple entry options to fit different moments and moods, from a busy morning rush to late-night arrivals. Real-world use shines through: a fingertip scan is recognized in about 0.2 seconds, and the door unlocks in roughly one second, helping you glide past the door without fumbling for keys.

What makes it flexible and user-friendly

This lock supports four reliable entry methods: biometric fingerprint, keypad password, two mechanical keys, and convenient app control. Whether you prefer quick touch entry, a numeric code, or remote access from your phone, this device is designed to adapt to your routine. The system also offers one-time passwords and anti-peeping password features to help protect against shoulder-surfing. A spare mechanical key remains for added peace of mind in emergencies.

• Four access methods: fingerprint, passcode, two keys, and mobile app control for versatile entry
• Fast recognition and quick unlock: approximately 0.2 seconds to recognize a fingerprint and about 1 second to open
• Silent mode and backlit keypad provide discreet, comfortable use in any lighting

Power, reliability, and everyday practicality

The lock runs on a rechargeable 400 mAh battery that charges fully in 4–6 hours and can last up to a year under normal use. A spare key is included for emergencies, and a low battery indicator helps you plan a recharge before performance drops. The design emphasizes quiet operation and smart power management, so you can trust it to work when you need it most.

• Long-lasting battery life with a 400 mAh cell; full recharge in 4–6 hours
• Low battery alert and a practical spare key for backup
• Silent mode and anti-peeping features to protect your privacy

Install in minutes on standard doors

Engineered for US standard doors, this smart lock installs in about 15 minutes with just a screwdriver. The backplates fit two common sizes—60 mm (2-3/8 inches) and 70 mm (2-1/8 inches)—and the lock accommodates door thicknesses from 30 mm to 55 mm (1-1/8 to 2-1/8 inches). The result is a clean, modern look with a secure fit that suits most interior doors without major modifications.

Customer support backs every purchase, with responsive assistance within 24 hours and a 12-month warranty plus lifespan technical support to help with setup, updates, or troubleshooting. This combination of flexible access, thoughtful features, and dependable installation makes the device a practical upgrade for privacy and convenience in busy spaces.