This is only the main unit of the photo. The Parani-SD1000 is a Bluetooth serial adapter that frees serial devices from cables. With Class 1 Bluetooth, it enables wireless communication up to 100m, replacing RS232 serial cables. There is no need to install drivers on the devices connected to the Parani-SD1000. It can be equipped with a battery pack (BP02/BP03), making it useful in various situations, such as outdoor use. *Charging is done via a USB cable from a PC/AC/DC power adapter. The DIP switch on the main unit allows you to set the baud rate and hardware flow control without connecting to a PC. By using the pairing button, automatic pairing of two Parani-SD devices is also possible. Detailed communication settings, encryption, and PIN code authentication can be set using Windows utility software. Settings can also be configured via AT commands through terminal software. Power supply options: ・Dsub9 pin 9th pin (depending on the connected device) ・Lithium battery pack ・USB power cable included ・DC cable included ・Bluetooth Version 2.0+EDR has increased communication stability. Specifications Bluetooth Version 2.0+EDR Class 1 (up to 100m) Profile: SPP Serial Interface: RS232 DB9 female Communication speed: Up to 921.6Kbps, CTS/RTS flow control DTR/DSR: Loopback & full transfer Dimensions: 76x31x16 (mm) Weight: 24g Supply voltage: 5~12V TELEC, FCC, CE, MIC, RoHS Hardware Interface: RS232, Bluetooth Data Link Protocol: Bluetooth Data Transfer Rate: 921.6 Kbps Product page of the import agent https://intersolutionmarketing.jp/store/products/detail/6