and high quality. Made of material, durable, high performance. Great accessories for MN RC Truck.All-in-One Functions: RC with many functions packed in one at low . It has fine throttle control that you will like for low speed crawling!Receiver; ESC; Servo Control; Control; Gear Shift; Sound Module; Light Control; Car 1 / Car 2 Switch; Low voltage protection; Support 2-3S; PWM output for External ESC; Auto Drag Brake at Low Gear; Low voltage protection: 2S - 6V; 3S - 11VESC max supported current : 14A(under-load); Requires two AA batteries for remote(not included); What's new in V3 V2; PWM output for external ESC; Added Auto Drag brake at Low Gear (manual at high gear); Improved/Fixed; Doubled the ESC amp output; Triple radio signal; Even better throttle modulation; Gear shift now starts at high gear; Not backward compatible with V2 .The set doesn' come with any plug/battery connector, you may use your own that fits. Doesn' work with the yellow color 6V 700mah Ni-CD battery. In case you're on single speed gear, gear shift button becomes the On/Off for Auto Drag Brake. Actual receiver may look a little different function is the same.Pls Note:Pay attention to the positive and negative poles of the socket.The set does not contain lights, the lights need to be purchased separately.The receiver can be received by multiple remote controllers(it is 1 remote control and can be used with multiple receivers) Important:Pls note the '+' & "-" of the battery, otherwise, will burn the circute board!The battery need 7.4V lithium battery, full battery.Battery's discharger rate need at lease 15C.The circute board need to use this radio, can' binding other transmitter.B Series: Crude Oil Tru SoundColour: blackMaterial: composite materialPackage Contents:1 * remote control1 * receiving board1 * speaker1 * sticker1 * Chinese and English ManualOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.