Model:- TR90D Size:- 41 x 20 x 37.5mm (4.8V) Speed:- 0.15s/60 deg Torque:- 8.8Kg/cm (6.0V) Speed:- 0.13s/60 deg Torque:- 10Kg/cm Returns to the accuracy of angle :- 1 degree About angular deviation :- 2 degree Dead area :- 2 - 3 Micro-second Weight :- 66gm Use voltage :- 4.8V - 6.0V Metal gears Non-nuclear motor Shell belt aluminum shell Double bearings Two axle output Robot special-purpose Digital Servo Brand :- EOGB