Pioneer Power Meters

Dual Leg / 12 points Analysis / Crank-arm power measurement
Utilizing dual strain gauges (one on each left/right crank arm), Pioneer differentiates from other power meter manufacturers by measuring independent power data from both legs and transmits this information 12 times within each pedal rotation. In addition to measuring visible raw power at twelve points in each stroke, Pioneer’s power meter also offers other new and insightful parameters including where power is being applied in each pedal rotation, the torque location, and force angles of each pedal stroke, as well as the location and level of power deficiency within the pedal stroke.

Check it out here: Pioneer Power Meters