30A Brushless speed controller ESC MultiCopter - X-copterCompatible with: 400-450 helicopters / or - Multi RC Helicopter. Output: Continuous 30A, Burst 40A up to 10 Secs.Input Voltage: 2-3cells lithium battery or 5-9 cells NiCd/NIMh battery.BEC: 2A / 5V (Linear mode). Max Speed: 210,000rpm for 2 Poles , 70,000rpm for 6 poles , 35,000rpm for 12 poles . (: BrushLess Motor) With XT60 Plug and 3.5mm banana connectorsSG90A 9G Mini Servo : This is the most mini servo. Only weighs 9 and gives you a 1.5 kg/cm . Pretty strong regarding size. Suitable for beam type robots.Key features:Translucent bodyLightweightLess noiseSG90A 9G servo parameters:Size: 21.5mmX11.8mmX22.7mmWeight: 9 gramsNo load speed: 0.12 sec / 60 (4.8 V)Locked- : 1.5-1.7kg/cm (4.8V-6V)Operating temperature: -30~~+60 degrees CelsiusDead zone setting: 5 microsecondsWorking voltage: 4.8V-6V 1400kv Motor Specification:KV: 1400Max Efficiency: 80%Max Efficiency Current: 4-10A ( 75%)Current Capacity: 12A/60sNo Load Current @ 10V: 0.5ANo. Of Cells: 2-3 -Motor Dimensions: 27.5 x 30mmShaft Diameter: 3.17mmWeight: 47gsize:about 5x3.6x1.5cmMaterial:Plastic + Metalcolour:MulticolorPackage Contents:1 x Motor1 x ESC2 x Servo2 x paddle1 x BeltOnly the above package content, other products are not included.Note: Light 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.