This is the Hobbywing EZRun 18A Sensorless Brushless ESC and Motor Combo, with an included Program Box. This combo combines an 18 Amp Brushless/Sensorless ESC with a 12.0 Turn, 7800kV Brushless/Sensorless Motor for an electronic package suitable for 1/18 and 1/16 scale on-road and off-road sport fun. 

Features:

• Compatible with sensorless brushless motors.
• High-quality components, big current endurance.
• Excellent start-up, acceleration and linearity features.
• Plenty of programmable items, suitable for various chassis, tires and racing tracks.
• Multiple protection features: Low voltage cut-off protection / Over-heat protection / Throttle signal loss protection.
• Internal timing can be changed easily to make the ESC suitable for various of motors.
• Easily programmed with the SET button, LED Program Box, Multifunction LCD Program Box and USB Link Software.
• ESC firmware can be updated through the USB adapter in the LCD Program Box.
• Top quality motor:
  • Aluminum shell (case)
  • High quality magnets
  • Copper wires of high temperature endurance
  • Good quality bearings

ESC Specifications:

• Output: Continuous 18A, burst 50A.
• Input: 4-9 cells NiMH/NiCd or 2-3S LiPo.
• BEC: 6V/1A (Linear mode built-in BEC).
• Resistance: 0.01 Ohm.
• Motor Supported: Sensorless Brushless Motor.
• Suitable Motor:
  • With 4-6 cells NiMH/NiCd or 2S Lipo: On-Road?12T,  Off-Road?8T;
  • With 6-9 cells NiMH/NiCd or 3S Lipo: On-Road?18T,  Off-Road?24T;
• Suitable Car: 1/18 on-road sport.
• Cooling Fan: Not included.
• Size: 31.5mm(L) * 27.5mm(W) * 15mm(H).
• Weight: 19g (Without wires)

Motor Specifications:

• kV: 7800
• Motor Diameter: 20mm
• Motor Length: 30
• Shaft Diameter: 2mm
• Shaft Length: 10mm
• Weight: 46g

Programmer Specifications:

• Size: 88x58x14mm
• Weight: 40g
• Input Weight: 4.8-6V
•  

Includes:

• EZRun 18A Brushless/Sensorless ESC
• EZRun 2030 12.0T/7800kV Brushless/Sensorless Motor
• LED Program Box