... best 3ch rc helicopter for beginners Syma S107C r c helicopter with camera by PC/USB,3ch rc ... SYMA S107C-Product Size: 21X10X4cm-Channel: 3 IR channel -Function: up/down, forward/backward, left/right, Gyro trimming ... be power off automatically when chocked. Syma S107C r c helicopter with camera by PC/USB,3ch rc ... Printing Machine S2-S, S1, P4-4, P6-C 30 2.0 Acceptable Testing Machinery: Machine Name Brand ...