4 PCS AGF B9DLMA Analog Servo 2.2KG Small Torsion 9g Micro Metal Gear For Fixed Wing RC Airplane Car 450 Helicopter Robot Features High performance mini analog servo High precision metal gear High precision iron core motor Apply to mini car model, airplane, robot, helicopter, fixed wing etc. Specification Model: B9DLMAWorking voltage: 4.8V-6.0 VWorking spinning speed: 0.13sec/60@4.8V; 0.11sec/60@6.0 V Torsion: 1.8kg.cm @ 4.8V; 2.2kg.cm @ 6.0 V Motor Type: iron core Gear type: Metal Size: 23*12.1*21.4mm Weight: 11g Cable length: JR 180 mm Package Included 4 x Servo