Electronic lock installation technician. 1. Key, 2. Fingerprint, 3. Bluetooth, 4. Password, 5. Cards. Tested for two years in my home. The battery lasts long and doesn't run out. Very secure. You can give the code to a guest or delivery person when you are out of the house, and they can lock it at the time you want. The price is the cheapest price in the market, including installation and programming. The lock is 380. Contact via WhatsApp.