black single camera (storage bag packaging)(黑色单摄像头（收纳包包装）) gray single camera (storage bag packaging)(灰色单摄像头（收纳包包装）) black double camera (storage bag packaging)(黑色双摄像头（收纳包包装）) gray double camera (storage bag packaging)(灰色双摄像头（收纳包包装）) black single camera (storage bag + color box packaging)(黑色单摄像头（收纳包＋彩盒包装）) gray single camera (storage bag + color box packaging)(灰色单摄像头（收纳包＋彩盒包装）) black dual camera (storage bag + color box packaging)(黑色双摄像头（收纳包＋彩盒包装）) gray dual camera (storage bag + color box packaging)(灰色双摄像头（收纳包＋彩盒包装）) four-side obstacle avoidance black double camera (storage bag packaging)(四面避障黑色双摄像头（收纳包包装）) four-side obstacle avoidance gray dual camera (storage bag(四面避障灰色双摄像头（收纳包包) four-side obstacle avoidance black double camera (storage bag + color box packaging(四面避障黑色双摄像头（收纳包＋彩盒包装) four-side obstacle avoidance gray double camera (storage bag + color box packaging(四面避障灰色双摄像头（收纳包＋彩盒包装) brushless motor electrical adjustment black with three cameras (storage bag packaging)(无刷电机电调黑色三摄像头（收纳包包装）) brushless motor electrical adjustment gray with three cameras (storage bag packaging)(无刷电机电调灰色三摄像头（收纳包包装）) brushless motor electrical adjustment black with three cameras (storage bag + color box packaging)(无刷电机电调黑色三摄像头（收纳包＋彩盒包装）) brushless motor electrical adjustment gray with three cameras (storage bag + color box packaging)(无刷电机电调灰色三摄像头（收纳包＋彩盒包装）)

one battery(一块电池) two batteries(两块电池) three batteries(三块电池)