Feature: 1. COMPATIBILITY: The RC car brushless ESC is compatible with many models, including but not limited for Wltoys K989 1/24 1/28 RC cars. 2. MULTIPLE PROTECTIONS: The ESC comes equipped with several protective features including low battery protection, overheating protection, throttle signal start protection, signal loss protection, and abnormal voltage protection. 3. SAFETY ASSURANCE: The ESC will not start the motor immediately, regardless of the throttle lever position when the power is on. This design ensures precaution against potential physical harm. 4. KEY PARAMETERS: The ESC supports a 2S 7.4V, with a continuous current of 18A, and a maximum burst current of 40A. It comes with a JR type male receiver plug and a JST type female battery plug. 5. PACKAGE INCLUSIONS: The package comprises two ESCs suitable for replacements and convenient usage, practical and easy to use. Specification: Item Type: RC Car Brushless ESC Material: Electronic Components Continuous Current: 18A Summit Current: 40A Support Voltage: 16.8V (maximum) Support Battery Cells: 2-4S LIPO BEC Output: 5V 1A Applicable: For Wltoys, etc. 1/24 1/28 remote control car or boat. Package List: 2 x RC Car Brushless ESC