3S Electric Trigger System provides
1. Accurate trigger response
2. 3-round Burst/Full Auto mode setting
3. Low Voltage Indicator & Protection Cutoff
4. Self-Diagnosis function
5. Gearbox highly compatible with version 2 aftermarket upgrade parts
6. DUAL Mosfet system - Power & Monitor
7. More efficient MOSFET design without wasting battery space
Gearbox: Version 2, Split Gearbox
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