Ferre Express Racerstar RS20Ax4 20A 4 in 1 Blheli_S Opto ESC 2-4S Support Dshot150 Dshot300 for RC FPV Racing Drone

Shipping from the United Kingdom.

Features: -with Blheli_S firmware -4 in 1 ESC, more easier to install -with 24MHz BB1 Clip -Support oneshot42 multishot, Dshot150 and Dshot300 -Small size and light weight -Rev 16.2 Fixed bug that prevented temperature protection -Improved robustness to very high input signal rates -Beeps can be turned off by programming beep strength to 1 -Throttle cal diffirence is checked to be above required minimum before storing -Throttle cal max is not stored un

Racerstar rs20ax4 20a 4 in 1 blheli_s opto esc 2-4s support dshot150 dshot300 for rc fpv racing drone

Racerstar rs20ax4 20a 4 in 1 blheli_s opto esc 2-4s support oneshot42 multishot dshot150 dshot300
Specification:
Brand name: racerstar
Item name: 20a 4 in 1 blheli_s opto 2-4s esc
Model: rs20ax4
Input voltage: 2-4s
Con. Current: 20a
Peak current(10s):25a
Bec: no
Programming: yes
installing distance: 30mm
Net weight: 19g
25g ( including cable)
Size(pcb):36x36mm
Features:
-With blheli_s firmware
-4 in 1 esc, more easier to install
-With 24mhz bb1 clip
-Support oneshot42 multishot,  dshot150 and dshot300
-small size and light weight
how to flash the esc?  please click 
-Rev 16.2 fixed bug that prevented temperature protection
-Improved robustness to very high input signal rates
-Beeps can be turned off by programming beep strength to 1
-Throttle cal diffirence is checked to be above required minimum before storing
-Throttle cal max is not stored untill successful min throttle cal.
package included:
1x rs20ax4 20a 4 in 1 esc
1x 5p cable
1x screws bag