Product name:Radiolink R4FGM 2.4GHz 4CH FHSS PWM Mini Receiver with Gyro for RC Airplane Car Boat RC4GS RC6GS T8S T8FB RC8X Transmitter Precise details: Description: Brand: RadioLink Model: R4FGM Channel: 4 Version: V2.1. (R4FGM_V2.1 support digital servo, the servo speed is 4ms or 3ms can be selected on RC8X V1.1.5.) Gyro Inside: Yes Signal Output: PWM, 2.4GHz Control Distance: More than 400 meters Model Application: RC car/boat Frequency: 2.4GHz ISM Spread Spectrum: FHSS Channel Resolution: 4096 Voltage Range: 3~6V DC Operating Current: 30mA (base on power voltage) Antenna Length: 90mm RF Power: Features: 4 Channels: Mini size 25mm*13mm(0.98*0.51inch), light weight 3g(0.1oz), can be used it for 1:28 and 1:64 RC mini cars. Excellent Anti-interference: With pseudo random FHSS algorithm, which makes R4FGM with excellent anti-interference ability, control range up to 1300 feet (400 meters) on the ground. Integrated Gyro: Built-in gyro can keep the vehicle in a straight line, and Gyro sensitivity can be adjusted by transmitter, which fits for drifting and on-road cars. 400 Meters Control Distance: Stable remote-control distance is up to 400m on the ground. Control with camera and display screen/goggle makes the FPV fun and cool. Support Digital Servo: R4FGM with a factory date of 2023/4/26 and later support digital servo, the servo speed of 4ms or 3ms can be selected on Radiolink RC8X V1.1.5. Reverse Polarity Protection: Even the polarities are mistakenly connected, receiver not damaged. The power of 3-6V supports high voltage servo. Simple Bind and Switch Modes: No need any setting on controller when R4FGM bind with radio, press 1 second to bind. Shot press 3 times within 1 second to on/off Gyro mode. Package Included: 1x R4FGM Receiver