The Hobbywing QuicRun QR10BL120 120A Sensored Brushless ESC provides an incredible price to performance ratio that is not often found within ESCs containing this feature set. 

Featuring an auto identification system for sensored or sensorless use, competition level programming for incredible feel & control, multiple programmable items, 8 steps of timing adjustments, proportional brake with 4 steps of brake force, 8 steps of drag brake, 4 steps of initial brake force, 9 steps of punch adjustments, & lots of protection features! 

Specifications:
Continuous Current: 120A
Peak Current: 760A
Applications: 1/10 Touring Car, Buggy, F1, Drift Car
Motor Limits:
4-6 Cell NiMh OR 2s LiPo: >3.5T (1/10 On Road), >4.5T (1/10 Off Road)
8-9 Cell NiMh OR 3s LiPo: >8.5T (1/10 On Road), >10.5T (1/10 Off Road)
Battery Types: 3-9 Cell NiMh, 2-3S LiPo
BEC Output: 6V @ 3A Linear BEC
Dimensions: 43x36x33mm (w/Fan)
Weight: 105g (w/Wires & Fan)