Product name:2.4G 4ch single helicopter with gyro With full EU certificates ROHS, CE, EN71 Product size:50*14. ... 5*8CM 1.Product name:2.4G 4ch single helicopter with gyroItem number:LS227010 2.Feature:1).Functions:up/down,turn ... off,left crabbing, right crabbing.2).Flying time:7minutes3)Battery:helicopter,7.4V800MAH LI-PO battery4)Charging time :2.5 hour5 ...