Electronic Biologic Door Lock Double Fingerprint European Standard Aluminum Door Smart Tuya Outdoor Waterproof Lock. Suitable for a variety of door types: framed door/aluminum alloy door/broken bridge door/sliding door, etc. Alloy material: multi-layer plating, multi-layer protection, strong and durable -Moisture-proof, waterproof and corrosion-resistant: highly sealed, isolated from tides, high temperature resistance. Color: Black Bronze Material: aluminum alloy Unlock mode: fingerprint/password/card/key/tuya wifi Door thickness: 44-50mm Battery: 85 battery Waterproof grade: ipx6 Fingerprint password: 100 Chip scheme: ST import Antistatic: contact discharge 8kv Product process: baking varnish Password number: 12 Rejection rate: less than 0.15 percent. Each lock body corresponds to three different locks, no fingerprint, single-sided fingerprint, double-sided fingerprint, please note that the single.