black single camera (storage bag packaging) gray single camera (storage bag packaging) black double camera (storage bag packaging) gray double camera (storage bag packaging) black single camera (storage bag + color box packaging) gray single camera (storage bag + color box packaging) black dual camera (storage bag + color box packaging) gray dual camera (storage bag + color box packaging) four-side obstacle avoidance black double camera (storage bag packaging) four-side obstacle avoidance gray dual camera (storage bag four-side obstacle avoidance black double camera (storage bag + color box packaging four-side obstacle avoidance gray double camera (storage bag + color box packaging brushless motor electrical adjustment black with three cameras (storage bag packaging) brushless motor electrical adjustment gray with three cameras (storage bag packaging) brushless motor electrical adjustment black with three cameras (storage bag + color box packaging) brushless motor electrical adjustment gray with three cameras (storage bag + color box packaging)

one battery two batteries three batteries