RF receiver sensitivity: -105dbmSensitivity: 1024Fail-safe: Yes (channel 2)Binding port: Yes (channel 3)Power port: Yes (VCC)Power supply: 4.5-6.5V DC (1.5V * 4)Size: 37.6*22.3*13mmColor: Black Features:The Standard 2.4Ghz 3-Channel Receiver for RC car and boat .Compatible with FS 2.4Ghz Surface Transmitter, very easy to bind.channels: 3 channelsmodel type:airplane,glidmodulation:GFSKcode type:PPMfrequency:2.4Gcertificate: CE FCCpower:5V DC(1.5AAA x 4) (not included)Matching(Code):A. Install the battery to 2.4G transmitter and shut it down.B. Insert the matching lines to the channel BIND/CH3 port of the receiver.C. Connect the receiver battery to VCC port of the receiver, on the same time the two LED are flashing and this means the receiver are going to the matching status.D. Press and hold the button on the transmitter, and then switch on the power supply.E. Observe the LED on the receiver, if find that the LED is not flash anymore and that means successful Matched. (This process about 5s)F. Release the match button on the transmitter, take out the match line.G. Install the server and then test.H. If the tests fail, please repeat the action above.G. If the tests success, then insert the power supply port into VCC, match complete.(The above ways of match is only suitable for FLYSKY 2.4G products)Package includes: 1 x ReceiverNotes:1. Please allow slightly error due to manual measurement.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.3. Wish you a wonderful online shopping!