Description: Name: K8 V8 KBAR VBAR APM PIXHAWK Flight Control Bluetooth Module High-voltage Version Power Supply:, 4-8.4V for High-voltage version Baud rate: 9600 for VBar, 57600 for APM and PixHawK Range: about 10 meters For VBar or KBar user: You can download the App from google play or mikado: www.mikado-heli.de play.google.com/store/apps/details?id=info.vstabi.vbarandroid After install the App, Please follow these steps to use this device: 1, Please connect the device to your VBar as the picture below. 2, Power on your VBar , Turn on the Bluetooth of you phone(or PC). 3, Use the password"1234" to pair with this device. 4, Open the App, select correct Bluetooth device (HC-05 or SPP-CA). The VBar will connect to your Pone in about 15 seconds.