＊Instant purchase welcome, midnight silent purchase OK ◎ ＊Welcome bulk purchases, please feel free to comment ☆ ＊Free shipping ✨ Brand new, unused! ✨ ・Please understand that this item is stored at home and will be shipped in simple packaging before purchasing (⁎ᵕᴗᵕ⁎) ・Please check the actual photos for the condition of the product ♪ #Click here for Mickey's product list ✨☜ Equipped with a function that sounds when the door or window opens and the sensor reacts. If you have downloaded the app, you will be notified when the sensor reacts. When used in a store, it can be installed at the entrance to notify you that a customer has entered the store, and it also has an option for a welcome chime. *SG-101 Smart Home Gateway (sold separately) is required for use. Can be combined with other products. ・Sound and app notifications when the sensor reacts ・Easy check of detection history with the app ・Lithium battery ・Z-wave encryption ・Tamper-proof function for peace of mind ・Easy combination with other products (sold separately) 【AirLive】Smart Home Door Sensor Opening/Closing Sensor Z-wave Smart Home Security IoT SI-101 21-906