2pcs SG90 9G towerpro micro servo motor RC Robot Helicopter Airplane controls 
 Dimension: 22mm x 11.5mm x 22.5mm
Net Weight: 9 grams
Operating speed: 0.12second/ 60degree ( 4.8V no load)
Stall Torque (4.8V): 17.5oz /in (1kg/cm)
Temperature range: -30 to +60
Dead band width: 7usec
Operating voltage: 3.0V~7.2V
Fit for ALL kind of R/C Toys

Coreless motor

--All nylon gear
--Dual ball bearing
--Connector wire length 150mm
--accessory : comes with 3 different servo horns and fittings