SD Card Reader, USB 3.0 Micro SD Card Adapter, Portable Type C Memory Card Reader for TF SD SDHC SDXC Micro SD Micro SDHC Micro SDXC MMC, RS-MMC UHS-I Cards USB-C 3.0 industrial_update_Aug2022 When the battery malfunctions

When the battery malfunctions

Magnetic door window alarm sensor 120db alerts a person to a door or window opening

you can take this in case of breaking

the sound is bright and filling with penetrating power

SD Card Reader, USB 3.0 Micro SD Card Adapter, Portable Type C Memory Card Reader for TF SD SDHC SDXC Micro SD Micro SDHC Micro SDXC MMC, RS-MMC UHS-I Cards USB-C 3.0 industrial_update_Aug2022 When the battery malfunctionsSD Card Reader, USB 3. 0 Micro SD Card Adapter, Portable Type C Memory Card Reader for TF SD SDHC SDXC Micro SD Micro SDHC Micro SDXC MMC, RS MMC UHS I Cards Description Notice Android Smartphones Tablet don't need download app,but need with OTG function (NOT compatible with iPhone or iPad). Not support Amazon Kindle & Fire tablets(Amazon Kindle & Fire tablets not have OTG function)Memory card in FAT32 format does not support transferring single files