Garmin Varia Rearview Radar review: bike light that says when cars get close

Detecting cars from 140m, the light brightens when cars approach and shows their position on a handlebar-mounted display – which gets quite distracting

The Garmin Varia Rearview Radar is a smart rear bike light that aims to improve your visibility, situational awareness and safety with adaptive brightness and a radar display.

It’s a rear bike light with built-in radar, which tells you when a car is approaching by showing the vehicle’s position on a handlebar-mounted display. It detects cars from up to 140m away and can track up to eight separate vehicles at once.

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Amazon unveils hybrid drone prototype to make deliveries within 30 minutes

Retail company’s UAV can fly vertically, like a helicopter, and horizontally like a plane but may still face regulatory obstacles in US despite safety features

Amazon has unveiled a new hybrid delivery drone that can fly both vertically, as a helicopter capable of landing in customers’ backyards, and horizontally like a conventional plane. The drone can travel up to 15 miles at high speed.

Related: Amazon tests delivery drones at secret Canada site after US frustration

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Best Android tablets of 2015

Our list of the best Android tablet to buy in 2015 based on price, performance, display and features, including Samsung tablets, Sony tablets, the Nvidia Shield and more.

(This is a preview – click here to read the entire entry.)

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Black Friday: $905 million in sales came from smartphones and tablets, iOS led the way

On Black Friday, e-commerce sites saw nearly 80 percent of mobile purchases come from iOS devices, according to a report from online retail analytics company Custora. Online Black Friday sales revenue rose 16.1 percent from the same day last year.

The post Black Friday: $905 million in sales came from smartphones and tablets, iOS led the way appeared first on Digital Trends.

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