This is a SwitchBot smart lock that can be easily unlocked with fingerprint authentication and a numeric keypad. How about it for your security measures? I am selling it because I upgraded to a SwitchBot that supports transportation IC cards. - Brand: SwitchBot - Product Name: Fingerprint Authentication Pad (Old Model, does not support transportation IC cards) - Functions: Numeric keypad, fingerprint authentication, unlock function - Color: Black ★ Accessories and box are as shown in the images. ★ SwitchBot card is not included. ★ New batteries are also included. 《Please Note》 The model on sale is the old model. Please note that it does not support transportation IC cards. Please refrain from purchasing if you are nervous about used items. Please purchase only if you understand.