Racerstar RS20A 20A BLHELI_S OPTO 2-4S ESC Support Dshot150 Dshot300 for FPV Racing Racerstar RS20A 20A BLHELI_S OPTO 2-4S ESC Support Dshot150 Dshot300 for FPV Racer Specification: ( Test Table) Brand Name: Racerstar Item Name: 20A BLHELI_S ESC Electronic Speed Controller Model: RS20A Con.Current:20A Peak Current(10s):25A Input Voltage: 2-4S BEC: No Programming : YES Firmware: Blheli_S Weight:7.9g Size(PCB):27*12mm How to Flash the ESC? Please click here Notice: DO NOT USE BHELISUIT if you have iNav on your flight controller. Features: -With Blheli_s Firmware -With 24MHz BB1 Clip -Support Oneshot42 Multishot, Dshot150 and Dshot300 -Smaller size and lighter -Strong adaptive ability Package Included: 1x Racerstar 20A ESC Shipping Fast shipping is very important for us. Our standard US shipping service is FREE. Your order will be shipped within 2-3 business days upon full payment received. Your order will be delivered within 2-3 business days after the handling time. We only ship to the confirmed Paypal address. We reserve the right to cancel any order for any reason at any time. We are not responsible for undeliverable addresses. Returns and payment We offer a 30 days return policy from checkout winning date. We allow only PayPal as payment method FeedBack Your feedback very important to us, after you get your package and you are satisfied with our sevice please leave us positive feedback If you have any problem with your order / any questions please before leave any type of feedback For any questions, using eCRATER contact system Please visit our eCRATER store to check out other items for sale! Thank you for shopping at our store.