Radiolink R8FG 2.4Ghz V2.1 3ms Latency 8-Channel Gyro Receiver with Voltage Telemetry, Waterproof RX for RC Crawler Car Boat Radio Controller,

[3ms Latency Response] Servo speeds are available in 14ms, 4ms, and 3ms. 14ms is recommended when connecting to analog servos, and 4ms or 3ms is recommended when connecting to digital servos. (The RC8X firmware must be updated to V1.1.5 or higher.) [Excellent Anti-Interference] Using random pseudo-frequency sequence (FHSS) hopping, the R8FG boasts excellent anti-interference capabilities and a control distance of 600 meters (1900 feet). [Real-Time Telemetry] The telemetry function provides important information such as vehicle voltage and RSSI signal in real time, preventing over-discharge and power loss. [Built-in Gyro] The built-in gyro keeps the vehicle in a straight line, and gyro sensitivity is adjustable on the transmitter, making it suitable for drift and on-road cars. [Waterproof] IPX4 rating protects the receiver from splashes of water. Polarity protection prevents damage to the receiver even if the polarity is incorrect. 3-12V DC supports high-voltage servos.