ZTW Spider  Spider PRO 20A HV OPTO 2-6S LiPo Brushless OPTO ESC 

Specifications:
Brand: for ZTW
Continous current: 20A
Power supply: 2-6S LiPo battery
Size: 30 x 16 x 4mm/ 1.2 x 0.6 x 0.2 inch
Package size: 210 x 125mm/8.3 x 4.9 inch
Net Weight: 16g

Package List:
1 * ZTW Spider 20A OPTO Brushless ESC
1 * User Manual
1 * Certificate of Warranty