Compatible with DF3 3D Electronic Zigbee Door Lock Face Recognition Graffiti Biometric Fingerprint Smart Door Lock with Camera Peephol (Color : DF3 C1, Mortise Lock Size : Gray) (Df3 D1 Gray)

Secure encryption, fingerprint is more convenient.
Zinc alloy baffle, double-layer thickened square tongue, silent sounding oblique tongue.
Anti-violence, anti-tracking, anti-cat’s eye, support anti-peeping virtual password
One-piece molding, simple and luxurious choice, anti-peeping, double anti-theft is more assured.
Outdoor waterproof, not afraid of wind and sun, shielding battery interference, preventing the small black box from opening.