To download the Hubsan Drone app please search “x-Hubsan” in the ISO or Android app store. Connect to h507a drone via cellphone WiFi, compatible with iOS/Android systems and real time fpv. The drone’s perspective at a 720p HD resolution real time video stream. The app waypoint function allow to select destination on-screen copter will fly directly. Function: GPS, WiFi,app compatible,720p HD camera,headless mode, altitude mode, automatic return. Description: item no.: H507a item name: Hubsan x4 h507a rc Quadcopter frequency: 2.4 G channel: 4ch gyro: 6 axis flying time: about 10mins Quad copter size:225*225*60mm weight(including the battery):162g battery: 7.4V 450mah lipo. 24.5 G flight time: 8-10minutes charging time: around 90-110 minutes max current: 6a rotor size:135mm (5.3 Inches ) wheelbase:225mm motor: coreless motor 720p camera fov: 85 Degree color: black WiFi max flight radius:100 meters app WiFi real time video transmission waypoint flight (settable waypoint and altitude) one key takeoff follow me mode circumvolant mode headless mode gravity sensor video/photo Note : this drone not included relay. Features: 720p HD camera built in 720p HD camera are tuned amazingly to capture stunning pictures and videos from the sky. Follow me the drone will lock onto the position of the transmitter and track it. This is extremely beneficial when recording a moving subject that would be tricky to follow manually. Headless mode with headless function,no need to adjust the position of aircraft before flying. App download you can search “x-Hubsan” in the ISO or Android app store.