Futaba Servo HV Digital (S-Bus) 0.13s/7.9Kg (P-SU400)The new and powerful S U400 standard servo has been developed for use with HV (High Voltage), whilst being programmable and with S Bus S Bus2 functionality, also operating perfectly with conventional PWM receivers. Having a normal operating voltage range of 6. 0 to 7. 4v (peak of 8. 4v), the S U400 is perfect where a fast, powerful but economical HV servo is required. Type: Digital Weight: 39. 0g Connector: Futaba Dimensions: 40. 0 x 20. 0 x 38. 1mm