➢ Door opening method: fingerprint + password + swipe card + key ➤Language of real person: voice navigation throughout the whole process, switching between Chinese and English, easy to operate; ➢ Anti-peep touch password button ➢ Low voltage alarm prompt, external USB emergency power supply; ➢ Standard 5050 safety lock body or general spherical lock body; ➢98% of the interior door thickness on the general market; ➢ One year free warranty and lifetime maintenance; ➢Color: silver, black, red ancient; ➢Using high-strength aluminum alloy shell; ➢ Optional remote control/Tuya WiFi and gateway/Tonelock Bluetooth and gateway;