3.Led color:red, blue, green, white, yellow, RGB. 4.Flashing ways: fast blink, slow blink, fixed light( controlled only by remote, no on/off switch on wristband ). 5.Powered by: 2 x CR2025 battery working up to 20 hours and can be replaced. 6.Remote range: 500 meters. 7.Battery for remote controller: 9v lithium battery which can be replaced.