Model:TR220Quantity:1Color:BlackMaterial:ABS + copper aluminum alloyFeatures:Torque ServosSpecification:Torque: 9kg/cm; Operating speed (4.8V no load) 0.15sec/ 60° / (6.0V no load) 0.12sec/ 60°; Operating voltage: 4.8 - 7.2V; Temperature range: 0 to +55'C;Application:360 degree rotatable Digital Torque ServosEnglish Manual/Spec:YesPacking List:1 x Torque Servo (30cm cable) 	4 x Golden screws 	2 x Black screws 	4 x Silver screws 	4 x Black nuts 	4 x Different shape rocker armsDimensions: 1.97 in x 0.79 in x 1.42 in (5.0 cm x 2.0 cm x 3.6 cm)Weight: 1.52 oz (43 g)<img src="//112.74.112.28/down/products/207439/207439_000.jpg">