2" overall. Clip. Keychain. Glows for up to 10 hours. Battery free. Recharges by sun or light source. Markers help to be seen while walking at night and make it...

Dimensions: 3"; Color: Yellow; Weight: 39 gr; Battery: 1(included) AAA Cell; Light Features: Batteries Included l Keychain l LED; Other Info: White LED. 19mm tube diameter. 360 degrees viewing angle....