Pelican Stealthlite 2400 Xenon 4AA Flashlight, Orange w/ Batteries 2400-010-150

Ultra lightweight and compact
C4 LED technology
Ambidextrous momentary/steady On-Off switch

Streamlight
88853
Flashlights

Connected features: live-tracking, instant upload and ride sharing capabilities, social network sharing, plus weather updates
Comprehensive performance monitoring: displays market leading, comprehensive ride data (incl. speed, distance, time, heart rate1, cadence2, elevation, power3, location).
Touchscreen and simple user interface: a 2.2″ rugged and customizable color touchscreen. Quickly find and view the most important data

Easy-to-install – Simply attach the sensors and ride. With no magnets or other exposed parts to line up, these sensors are easy to install, maintain and move between bikes.
Speed sensor – Attaches to the hub of either wheel and self-calibrates with your Garmin Edge to give you accurate speed and distance at all times, including indoors on the turbo trainer.
Cadence sensor – Fastens to any crank arm size and measures pedal strokes per minute so you can get the most out of your training.