SJRC F11 / PRO Drone IoT How can I differentiate clockwise

How can I differentiate clockwise (CW) and counterclockwise (CCW) propellers

1/30s-1/10000s

Data acquisition interface: Yes

Weight: about 25g

and have you developing through your web browser in less than 5 minutes using just a single USB cable

SJRC F11 / PRO Drone IoT How can I differentiate clockwiseDescription: Item name: SJRC F11 RC brushless drone Controller frequency: 2. 4Ghz Camera: 120 wide angle camera (90 adjustable angle by remote controller) Video resolution: 1920 x 1080P (F11 ) Photo resolution: 1920 x 1080P (F11) Video resolution: 1920 x 1080P by phone, 2592 x 1520P by sd card(F11 Pro) Photo resolution: 3840 x 2160P by phone,2592 x 1520P by sd card (F11 Pro) Frame rate: 25fps Motor: 1806 brushless motor Drone battery: 11. 1V 2500mAh