Here is another Bicycle LED light, this is a tail light and you can program it. Do check this video to know how you can program and how it works.
You can buy this Multifunctional Bicycle LED Programmable tail Light from GearBest for approx Rs. 700.
Here is the link – https://goo.gl/LRVLRq
Download the software – https://secureservercdn.net/18.104.22.168/fpr.324.myftpupload.com/dwnload/bikesoft.zip
Multifunctional Bicycle LED Programmable tail Light Specifications
Freely programmable, programming text, can be used for bicycle taillight, backpack, helmet, outdoor warning light, etc.
Built-in 300mAh Li-ion battery for 4 – 5h charging time by USB charging and 12 – 24h using time
Support multiple languages: Chinese, English, Japanese, Russian, Italian and most European countries languages ( does not support Korean)
Install with no tools
IPX6 waterproof design to use on rainy days
Equipped with a software installation CD