Reusable, rechargeable LED glow stick 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 + select color Lockout feature is activated/deactivated by pressing and holding for 5 seconds 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 Includes S-Biner® for easy attachment Dimensions: 0.9" x 7.4" x 0.9" | 23mm x 190mm x 23mm Weight: 0.71oz | 20g