features 
<br />1. 100% 
<br />2. suitable for phantom2 ,3,4  inspire 1 remote control
<br />3. ergonomically designed, fit thumb, feel better!
<br />4. professional-quality, high-precision cnc aluminum alloy, exquisite carving patterns to achieve perfect control!
<br />5. compact, lightweight, and remarkably easy to use, durable and practical
<br />6. perfect design! high quality and exquisite appearance!
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<br />specification 
<br />1. color blue silver black red
<br />2. weight 8.8g 
<br />3. material: aluminum alloy
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<br />package includes:
<br />2 x thumb controller rockers
<br />4 x washers
<br />2 x pillars