TCL D1 Pro Palm Vein Smart Lock

This smart lock uses palm vein recognition for secure access with locally stored data. It includes a 7800mAh rechargeable battery to minimize environmental impact. The lock offers six unlocking methods: palm vein, app, voice, fobs, keypad, and keys. The price drops from $199.99 to $149.99 to just $74.99 when you apply the code "50GETZ9Y" during checkout. Shipping is free.