Qr Code Door Lock for Sale This product has a variety of unlocking methods: WiFi APP access (optional), mobile phone scan, BLE APP access, fingerprint unlocking, PIN code, card, mechanical key unlocking, forced unlocking push rod. Applicable to cabinet doors, drawers, safety doors, and all thick doors. The main color of the product is black, and the color can be customized according to requirements. Our company is a professional manufacturer of smart locks. Focuses on the development and production of Electric Lock, Electromagnetic Lock,Titanium Wire Electric Lock, Smart Door Lock, Face Recognition Door Lock, Password Door Lock and Smart Lock.If you want to have a deeper understanding of us, welcome to contact us, we will serve you wholeheartedly.