Long-endurance K3 folding drone HD 4k dual-camera quadcopter Product specifications (cm) Folding: 12.5*8.5.5 cm/ Unfolding: 29*23*5.5cm Main material ABS Product color black/orange/gray Package weight 421g Airframe take-off weight (including battery) 112g (28g) Storage packaging specifications (length * width * height) 23*6.5*18cm Product (aircraft) battery parameters 3.7v -1800mA/H lithium ion rechargeable battery Remote control battery parameters AA battery*3 Charging method usb charging USB charging time: about 90 minutes Flight time: about 20 minutes Remote control distance about 150 meters WIFI image transmission distance about 100 meters Flight environment indoor/outdoor Product Features 1【Single camera】 2【Headless Mode】 3【Gesture photo/video】 4【Intelligent fixed height flight path】 5 [Real-time image return high-definition aerial photography wifi mobile phone control] 6【Take off and land with one key return home with one key】 7【3D tumbling】 Accessories: aircraft*1 remote control*1 body battery*1 protective cover*4 Spare blade*4 Screwdriver*1 Charging cable*1 Manual*1 app manual*1