You are downloading the Rear Light XAP file v18.104.22.168 for Windows Phone. Rear Light is a free and useful Sports app: Use your Windows phone as a rear light for biking, inline skating or hiking. Put your phone in a backpack with transparent case or simply use a ... You can now download the offline XAP file to install & try it.
Download Locations for Rear Light 22.214.171.124 XAP file
Important Notice: Now Due To Unspecified Limitations, You Can Not Use The Offline XAP File To Install It Any More.
To try to install it manually from an SD card, you should choose one of the server location above to get the offline Rear Light XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.