Miniature and exquisite appearance design, super light weight Adopting digital controller and Brush motor drive. Mini steering gear with (3.7kg-cm); speed (0.14sec). Model: D1917MG Dimensions: 28.5 x 13 x 28mm(1.12x0.51x1.1inch) Weight: 23.2g(0.82oz) Working Voltage: 4.8~ 6.0V : 4.8V: 34.7 -in(2.5 kg-cm) 6.0V: 51.4 -in(3.7 kg-cm) Speed: 4.8V: 0.17 sec / 60 6.0V: 0.14 sec / 60 Motor type: Brush motor Gear type: Metal gear Plug Type: JR, L = 300mm(11.8inch) (brown-, red +, orange S) pay attention to distinguish powering on Colour:as shown :plastic Package Contents: 1 x RC Car Digital Servo Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.