Ylr c s116 max wifi fpv with lcd screen controller hd dual camera servo gimbal 360 obstacle avoidance optical flow positioning brushless rc drone quadcopter rtfspecification brand name ylr citem no s116 maxcolor black white optional material plastic metal electronic componentsfrequency 2 4gchannel 4chgyro 6 axismotor brushlessquadcopter battery 3 7v 2000mah lipo battery included flying time about 14 minutescharging time 60 80 minutesremote control mode mode 2 left hand throttle transmitter battery bulit in 3 7v 500mah batteryremote control distance 150m no interference fpv 2 4g wifiimage transmission distance 50 80m no interference camera 480padjustable angle 90 adjustable by transmitterobstacle avoidance system infrared obstacle avoidancemobile device system version ios 8 0 and above android4 0 and abovequadcopter size 230 x 230 x 120mmtake off weight 160g battery 33g package size 26 5 x 20 5 x 12cmpackage weight 650gfeatures upgrade the remote control with lcd screen which can display image with no delay and fast transmission with wifi function can be connected app apk system to take pictures video real time transmission through the phone camera image 360 automatic detaction of surrounding infrared obstacle avoidance worry free flight optical flow fixed point hover provides stable flight with 3 7v 2000mah large capacity battery the flying time up to 14mins equipped with a brushless motor it has better wind resistanc