This is an Onyx 40A Brushed Programmable Crawler ESC. Very small and lightweight, the 40A Brushed ESC is ideal for 1/10 crawlers, cars, trucks and boats. It’s also great for 1/16-1/24 battle tanks. Features an aluminum heat sink, on/off switch, single-click (instant) reverse action, selectable drag brake modes and factory-installed connectors on all cables.
Input: 2-3S LiPo, 5-9 cell NiMH
Current (Continuous/Burst): 40A/180A
Motor Limit: 540 - 550
Battery Connector: Star
Dimensions (L/with H): 1.8 x 1.3 x 1.1" (46.5 x 34 x 28.5mm)
Weight: 2.3oz (65g)