2.4Ghz 1/16 Scale Radio Remote Control US M1A2 Abrams RC Air Soft RC Battle Tank Smoke & Sound Full scale R/C function simulative motor start-up sound Maximum side turning angel of turret (left/right) approximately 320-degree The barrel moves up and down 30. the turret turns 320 emulation music and action effect Latest 2.4G System V4.0 built in. 2 sound effects , Switch one to the other freely. 2. BB Shoot Safe Mode to avoid shot bullets by accident . New way of Barrel Up/Down With this New radio there is not on/off switcher for the Airsoft on the Cannon Please press hold upper right hand-side button(Bullet Shooting), and then put the left hand side joy sticker up then it will shot the bb with this new 2.4ghz radio it build with BB shooting safe mode to avoid shot bullets by accident.