The Spektrum Firma 40 Amp Brushed Smart 2-in-1 ESC and Receiver is an all-weather solution for your 1/10th scale crawlers and scalers. This Smart ESC and integrated receiver simplifies your setup while delivering valuable telemetry data directly to your Smart-compatible Spektrum transmitter. With its waterproof design, powerful BEC, and customisable settings, it's the perfect upgrade for your next RC adventure.

• Integrated SMART Technology

• Built-in 4-Channel DSMR® Receiver

• Waterproof design

• Dedicated LED power connectors

• Multiple protection settings

• Programmable via optional programmer box

• Suitable for Crawler and Scaler models

• Genuine Spektrum product

• Length: 54mm (2.1 in)

• Width: 33.5mm (1.3 in)

• Height: 20.5mm (0.81 in)

• Weight: 68g (2.4oz)

• Continuous/Peak Current: 40A/180A

• Waterproof: Yes

• Motor Limit: 540/550 size motors

• BEC: 6V @ 3A

• Voltage Limit: 6-10.8V (2-3S LiPo, 5-9 cell NiMH)

• Programmable: Yes (optional programmer box)

• Scale: 1/10

• Sensored: No