RC enthusiasts, this FLYSKY Ma-RX42-A2+ micro receiver is seriously impressive for its size! Measuring just 18.5x12.0x6.5mm (without antenna) and weighing only 0.9g, this tiny receiver packs some serious features. It offers 5 channels with 4 independent output ports and includes a built-in 5A/1S brushed ESC - perfect for small aircraft and drone projects where space and weight matter. The advanced A2+ version includes telemetry function that lets you monitor battery voltage, receiver working voltage, signal strength, and temperature in real time through your transmitter. This is huge for preventing over-discharge and staying within control range. The automatic binding feature is super convenient - no more struggling to press tiny binding buttons after installation. Just power it up, and it enters pairing mode automatically for 15 seconds. The start-lock function prevents brushed motors from accidentally starting, adding an important safety feature. Compatible with FLYSKY AFHDS 2A protocol, this receiver delivers stable performance in a micro package that's perfect for compact builds. The construction feels robust despite the small size, and the performance is reliably consistent. Whether you're building micro drones, small aircraft, or any RC project where every gram counts, this receiver provides professional features in an incredibly small package. The telemetry function alone is worth it for serious flyers who want to monitor their system's performance and avoid crashes from signal loss or battery issues. If you're working on compact RC projects and need reliable performance with advanced features, this micro receiver delivers everything you need in a package that barely takes up any space or weight in your build.