Lumos Smart Bike Helmet
DescriptionLumos is a smart bicycle helmet that goes out of its way to make sure you’re seen when cycling. It integrates lights, hard brake, turn signals, and helmet into a single cohesive whole.
Physical & performance 
Dimensionsone size fits all (54cm to 62cm)
Display size10 white lights in the front, 38 red in the rear, and 11 orange on each side.
Display resolution
Touchscreen
Color display
Weight440 grams
BatteryCharging via magnetic charging USB cable.
Battery lifeThe helmet battery lasts about six hours in flashing mode and three in solid mode. Charging via the included magnetic charging cable takes just two hours.
Water ratingWaterproof
GPS enabled
GLONASS
Maps & memory 
Maps and routes
Ability to add maps
Accepts data cards
Sensors 
ANT+ cadence/speed
ANT+ heart rate strap
ANT+ power meter
ANT+ Trainer Control (FE-C)
Bluetooth smart heart rate strap
Bluetooth smart cadence / speed
Bluetooth smart power meter
Features 
Power meter compatible
Recording interval
Virtual partner
Biometric altimeter
Compass
Electronic gear shift display
Live tracking
Strava live segments
Temperature display
Display GPS & sensor data
Shock resistant
Wireless connection
Smart notifications
Automatic sync
OtherJust push the button before you turn, and everyone will know where you’re going. The remote also has a built-in sensor that can tell when you're slowing down (still in beta stage), and then activate all 38 solid LEDs in back to warn anyone behind you.

Lumos meets the following bicycle helmet safety standards:
- CPSC in the United States (CPSC 16 CFR Part 1203)
- EN1078 in Europe Lumos also meets all other requisite standards required of consumer electronic devices set by the FCC and CE.
Links 
View onAmazon
Amazon US rating4.9 out of 5 stars