Hitec Energy Rotor 18AMP 2-4S LiPo Brushless ESC (4PK) : Multirotors 61084

Designed specifically for multirotor application
Pre-set ONESHOT synchronization
Smooth and accurate throttle linearity with low internal resistance
BLHeli firmware
Fast refresh rate up to 600Hz
Auto signal loss throttle shutdown
Supports high RPM motors
Thermal overload protection

Four Hitec Energy Rotor 18 Amp ESCs with Instructions

Motor and ESC connectors

Continuous Burst/Current Rating: 18A/30A
Battery Compatibility: 5-12 cell NiMH, 2-4S LiPo
Dimensions: 0.47 x 0.87 x 0.17" (12 x 22 x 4.3mm)
Weight: 0.19 oz (5.4g)