Optimized Performance: The 48K AM32 ESC is designed for 3-8S setups, offering a choice between 70A configurations various FPV racing drones. This flexibility ensures optimal performance for both amateur and professional pilots. Advanced Technology: Equipped with the latest AM32 firmware, this ESC enhances your drone's flight capabilities by providing smoother and more reliable motor control. This technology ensures superior flight stability and responsiveness, crucial for racing competitions. and Reliable: Built to withstand the rigors of competitive racing, the ESC features robust construction that resists wear and tear, ensuring long-lasting performance under extreme conditions. Continuous maximum current: 70A ESC feedback: supported Instantaneous maximum current: 80A Onboard ammeter: not supported Master chip: AT32F421K8U7 Input voltage: 3-8S lithium battery Firmware name: AM32_AORC_K_A_F421_2.12.hex Protocol: for DS 150/300/600/MultiS /OneS , etc. Due to different batches, there may be differences in product appearance and printed text, which not affect use Colour:Black Material:Metal Package Contents: 1 x 48K AM32 Electronic Speed Controller Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.