Model Number: ESD5111name: speed controllerESD5111 engine speed regulatorRPM stability: Less than 0. 25%Speed range: 1 KHz ~ 7.5 KHzThermal stability: Max 1%IDLE Regulation: 160 20HzDROOP Regulation: 15Hz 6Hz / Amp minimumMaximum: 400Hz 75Hz / AmpExternal speed regulation: 200Hz (with 1 K ohm connected)Auxiliary input sensitivity: 148Hz / 1V, 10HzImpedance: 1M ohmWorking temperature range: -40-85Environment:Working humidity range: maximum 95%Average temperature: -55-92 CelsiusShocking: 20-100 HZ 500mm / sec.Input power supplyVoltage: 12/24 VGround post: negative postPower supply: 50mAContinuous Actuator Current: Minimum 2.5A, maximum 10ASignal: 0.5-120 The following are our products:1 AVR Brushless Universal: 8A ... 12A ... 15A ... SAVRH-75A ... SAVRH-PCB ...2Stamford AVR: AS440 ... MX321 ... MX321-A ... MX341 ... MX341-A ... SX440 ... SX440-A ... SX440-T ... SX460 ... SX460-A .3AVR: R230, R438, R448 ... R449 ... SSAYEC432.4AVR: SE350.5 AVR Brush: -100, -110.-130B ... -120.-160B.-1706 Governor motor: 3036453 of 34008326 EFC3044196 ... ESD5111 ... ESD5500E!7 Controller: CTR101 ... CTR168 ... DSE501K ... DSE5110colour:Picture colorMaterial:Plastic + metalPackage Contents:2 x ESD5111 GovernorNote: the above parameters are tested with an operating frequency of 4000HzOnly 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.