The T-Motor F411 Lite and V45A Lite stack is a budget friendly 45A rated 4in1 ESC + FC.
The V45A Lite 4in1 ESC can accept 3-6S input voltages is rated at 45A and runs BLHeli_S firmware.
The F411 Lite includes a 5V 2A BEC, Analogue OSD chip and 8Mbit on board black box logging.

Esc Specifications:
45A rated 4in1 ESC
3-6S input voltage
On board current sensor
Weight: 13.5g
30.5mm Mounting Holes
45A continuous current / 55 Amp burst

F411 Lite FC Specifications:
MCU: STM32F411
Gyro: BMI270
Memory: 8M
Input Voltage: 12v-25.2v (3-6S)
BEC: 5V/2A
Mounting Holes: 30.5mm x 30.5mm (Detachable), 20mm x 20mm

Package includes:

1 x T-Motor Velox V45A Lite 4in1 ESC (3-6S)
1 x T-Motor F411 Lite Flight Controller
1 x Accessories (Capacitor, XT60 XT60 Connector, Cables etc).