Ruibet 45A is an affordable ESC with BlHeli_S firmware. It supports 3-6S Lipos, has a current sensor and weighs 14.5 grams. Ruibet 45A is mainly used on classic 5" freestyle drones. The package also includes a capacitor and a plate with TVS diodes that help eliminate unwanted voltage peaks.
M3 softmount is not included in the package.