GFHFG Speed: 0.07 sec (6.0V) ¦ 0.06 sec (7.4V) Operating Voltage:6.0 ~ 8.4 Volts Weight: 41.0 g (1.45 oz) Bearing Type:Ball Bearing x 2 Motor Type:Coreless Motor Gear Type:Titanium & Alu Operating Temperature:-20Celsius~60Celsius Working frequence:1520µs / 333hz Colour:black Material:metal Size:41*20*26.4mm Package Contents: 1 * R12 Matel Gear Servo Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.