Specification: Item Type: RCHOTRCCT‑400Receiver Material: Plastic and Electronic Components Number of Channel: 4 Receiving Distance: About 400 Meters from the Ground Receiver Sensitivity: <-97dbm Power Supply Range of Receiver: DC 4V-6V Suitable For: a Variety of RC Vehicles, Remote Control Car, Remote Control Ship Package List:1 x RC Receiver 1 x Frequency Matcher Note: Images may not reflect the actual color of the object due to different lighting and differences between monitors. Please make sure you don't mind before ordering, thank you!