I purchased this item previously, but I haven't had a chance to use it, so it has been stored. It is unopened, so I have not confirmed its operation. Please be aware of this. Please provide your receipt evaluation within 24 hours of the item's arrival. If this is difficult, please contact me via the transaction message in advance to let me know when you will be able to evaluate (excluding official proxy services). 【Confirmation Items ①～⑥】 ① We may not be able to respond to questions or requests after the purchase is complete, so please ask all questions before purchasing. ② As this is a personal inspection, there may be scratches, stains, or oversights not mentioned in the description. ③ Unless otherwise specified, the shipping method will be the one that minimizes shipping costs. ④ The shipping method may be changed from "Yamato Transport ⇔ Japan Post" without confirmation. ⑤ Packing materials may be reused. ⑥ To prevent swapping and trouble, we will record the condition of the product during packing and the packing process in detail, and store the data until the transaction is complete. By completing the purchase, you are deemed to have agreed to these terms. Thank you for reading to the end. SwitchBot Smart Lock Pro Fingerprint Authentication Pad Passcode - SwitchBot Key Smart Key Auto Lock Door Lock Entrance Smart Home Compatible with Alexa Google Home Siri Remote Operation No Construction Easy Installation Crime Prevention Measures Retrofit Black