it's a self-flying drone designed to autonomously track and record its owner without input from a pilot on the ground once it's thrown into the air it begins automatically following and recording its target. uses GPS to follow you around,and the device itself is waterproof to 1 meter underwater. price : $999
battery : non-removable, good for around 20 minutes of flying time and requires about two hours to fully recharge
minimum altitude : It maintains a minimum altitude of 5 ft / 1.75m in flight,and doesn't exceed 50 ft / 15m .