NEJE ST0002-1 2-CH 2.4GHz IR Remote Control R/C Flying Ball - Yellow (3 x AG13)
Intelligent reaction device can sense the barrier of its bottom within 0.5 meters then automatically raise and keep suspension and going up; Turn on the switch of flying ball it will automatically fly until the barriers are runing out of; When barrier exhaused it will land on. Notice: please do not make it raise from the floor as there is a automatically reaction device on the bottom of the flying ball; before you make it raise please let it go horizontally and do not make it incline more than 30 degrees