Radiant Rechargeable Glow Stk RGSR-07S-R3

7.5" overall. Five modes (plus lockout): Disc-O, green, blue, red, flashing red. Waterproof (submersible in 1m of water for up to 30 min). Push button on/off plus select color. Recharges in approximately 1.25 hours using micro USB cable (not included). Unscrew detachable top with included S-Biner to access charging port. Entire glow stick illuminates red when charging, turns off when fully charged. Runs for up to 8.5 hours on a single charge. Hang packaged.