4iiii Innovations Precision 3+ Power Meter Ultegra 8100

Features support for Apple Find My
Up to 800 hours of battery life, an automatic terrain selector, +/-1% accuracy, waterproof, light weight (9g), low profile, indicator light, ANT + Bluetooth
Backed by our industry-leading 3-year warranty
While you are riding, this advanced power meter will transmit watts, cadence, and calories to your head unit of choice
When not in use, the Find My feature allows you to track its location on a map
Easily add your power meter to the Find My app and locate it on an iPhone, iPad, Mac, or using the Find Items app on an Apple Watch
Powered by a CR2032 Coin Cell Battery
30-170 RPM cadence range
0-4000 W power range