30AMP Simonk 30A Brushless ESC Firmware for BEC Quad Multirotor Multi Copter

Specifications:
No over temperature shutdown, because any shutdown in a multirotor.
Super high refresh rate, no buffering of the input signal, resulting in more than 490 Hz response rate.
16KHz motor frequency, thereby fastest response of the engine, and silent operation as well (no squeaks 8KHz).
Super easy, simple operation! Nothing to program other than the throttle region.

Item Type: Electronic Speed Controller
Material: Plastic
Input Voltage: 2-4S
Driving Current: 30A(Max: 40A/10S)
BEC Output: 5V 3A
Compatible Signal Frequency: 30Hz - 500Hz
Features: High Performance, Brushless, Easy to Use
Size: 4cm x 2.3cm x 0.8cm/1.57" x 0.91" x 0.31" (Approx.)

Notes:
Due to the light and screen setting difference, the item's color may be slightly different from the pictures.
Please allow slight dimension difference due to different manual measurement.
Package Includes:
1 x Electronic Speed Controller

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Q: There is no color or size in the product description in the shopping cart option. How do I buy the product I want?
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Q: How long does the package take it to arrive?
A: Dear customers, we will pack the packages within one to two working days. Our packages are shipped from China and are expected to arrive within 8-14 days.

Q: Can I provide the invoice?
A: Dear customers, we can send you electronic invoices. Please contact us after paying for the order.