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                            Paiement 3X
                                                                                                    
| Product | HV777 | HV777A+ | 
| Torque | 28 kg-cm (6.0V) 36.5 kg-cm (7.4V) 38 kg-cm (8.2V) | 29.5 kg-cm (6.0V) 36.5 kg-cm (7.4V) 40.4 kg-cm (8.2V) | 
| Speed | 0.14 s (6.0V) 0.11 s (7.4V) 0.10 s (8.2V) | 0.13 s (6.0V) 0.11 s (7.4V) 0.10 s (8.2V) | 
| Weight | 81.4g | 75.45g | 
| Dimensions | 40 x 20 x 45 mm | 40 x 20 x 40 mm | 
| Operating Voltage | 4.8 ~ 8.4 V DC Volts  | 4.8~8.4 V DC Volts | 
| Working Frequency | 1520μs / 333Hz | 1520μs / 333Hz | 
| Dead Band | 0.0008ms (Default) | 0.0008ms (Default) | 
| Bearing Type | 2* Ball Bearing | 2* Ball Bearing | 
| Motor Type | Japan High Quality Coreless Motor | Japan High Quality Coreless Motor | 
| Gear Type | Metal Alloy Gear | Metal Alloy Gear |