I opened it once after purchasing it, intending to use it, but it didn't fit my door, so I gave up. I have opened it, but I have never used it. Selling price: 5891 yen (tax included) https://amzn.asia/d/0wDdFE5 - Color: Black - Size: 92.7mm x 57.0mm x 12mm - Weight (with battery): 140g - Weight (without battery): 104g Brand: Candy House Features: Auto-lock Lock type: Biometric authentication Product dimensions (length x width x height): 9.3 x 5.5 x 4.2 cm Material: Plastic Style: 01. Sesame 5 [Compatible with 99% of keys] The types of keys it supports have expanded even further. You can also request the creation of an adapter using a 3D printer, making it compatible with keys that you may have given up on using a smart lock with. Please contact us with a photo of your key to request a special adapter. [Easy installation] Easy to install with 3M tape. No construction is required, and it can be installed and removed even in a rental property. The tape is included for three attempts, so you can easily redo it if you make a mistake. [9 unlocking methods] Unlocking is possible via app, widget, Apple Watch, and physical key. Furthermore, voice control and remote operation are possible when used with a Wi-Fi module. Fingerprint authentication, IC cards such as Suica, and PIN unlocking are also possible when used with Sesame Touch or Sesame Touch Pro. [Auto-lock] Auto-lock can be set for a period of 3 seconds to 1 hour. Easy to prevent forgetting to lock the door. [Notifications and history] Equipped with Multi-Task function, multiple devices can connect to Sesame via Bluetooth simultaneously. When someone opens or closes the door, a notification is sent to your smartphone, and you can easily keep track of your family's return status, making it ideal for crime prevention. [Battery life] Peace of mind with a battery life of over a year. [Key sharing] You can share keys using a QR code. You can share keys without physically handing over the key. [Fast & Quiet & Lightweight] Unlocks in about 2 seconds after recognition. Unlocking and locking without stress. Sesame 5 has less friction and is quiet. It's palm-sized, compact, lightweight, and less likely to fall off.