4iiii Ultegra R8100 Precision 3+ Pro Crankest PowerMeter

• Apple Find My compatible
• +/- 1% accuracy with 3 strain gauges
• Automatic Terrain Selector
• Indicator Light
• Up to 550 hours of battery life
• Left/Right balance
• IPX7 waterproof
  

Specs:

• Type: Dual
• Accuracy: +/- 1%
• Battery Type: CR2032 Coin Cell
• Battery Life: up to 550 hours
• Waterproof Rating: IPx7
• Cadence Range: 30 - 170 RPM
• Power Range: 0 - 4,000 W
• Height: 5.5mm
• Weight: 29g
• Operating Temperature: 0 to 50 °C
• Communication Protocols: ANT+, Bluetooth