• *Automatic Operation: Just start to row and the monitor turns on and gives feedback. You don't have to push a single button.
• *Accurate tracking of performance data: distance, speed, pace, calories and watts
• *Five display options: all data, force curve, rowing with a pace boat, bar chart and large print
• *LogCard: Removable LogCard stores workout data and personal preferences. A LogCard is included with every PM4.
• *USB Interface: transfer of data to PC or Mac
• *Easy menu-driven operation: accesses a powerful list of features:
  preset workouts, save favorite workouts, row against a previous performance or pace boat, play the FISH game, row with an animated rower to learn technique, review past workout results and choose from multiple language options.
• Heart Rate Monitoring: Built in wireless compatibility with Suunto heart rate technology (chest belt provided), offers improved transmission and eliminates interference from nearby rowers. Also compatible with Polar heart rate technology, if optional Polar receiver is installed (available from Concept2). 
• Rechargeable Battery Pack: As you row you will actually be recharging your battery. The battery pack can also be recharged by connecting the PM4 to a PC through the USB port.
• Increased Memory Capacity: to allow for future expansion and features
• Supports Machine to Machine Racing: has the computing power to support both wireless and wired racing. No PCs needed

* Features with an asterisk are also found on the PM3 performance monitor.

Five Graphic Displays

(A free Suunto transmitter belt and strap are included with every new PM4 for wireless HR monitoring)