Specificaiton:
Brand Name: FLYWOO
Model: GOKU506S
Item Name: 50A BLheli_32 2-6S 4in1 Brushless ESC 
Con. Current: 50A
Burst Current: 55A ( 10 Seconds)
Input Voltage: 2-6S
Firmware: GOKU32_PRO
Support DShot300/600/1200
LED: 4*WS2812
Current Sensor: YES 
Telemetry Function: Yes
BEC Output: NO
Size: 42×42×4mm
Mounting Hole: 30.5x30.5mm ( M3)
Weight: 10g

Package Included:
1x GOKU506S 50A 4in1 ESC
1x bag of Screw
1x bag of Anti-vibration Ball
1x Capacitor
1x Manual

 How to work leds ?