GARMIN Rally XC 100 Single-Sensing Power Meter

Battery type: LR44/SR44 (x4)
Battery life: up to 120 hours (with LR44 battery type)
Weight: 451 g
water resistance.: IXP7
Maximum rider weight: 105 kg
Accuracy: +/- 1.0%
Cleat type: SHIMANO SPD
Q-factor: 53 mm (55 mm with provided 2 mm washer)
Stack height: 13.5 mm
Field calibration
Adjustable release tension
Garmin Connect™
Measurement location: spindle
Communication: ANT+® and Bluetooth®