Glo-Toob Three Cap Pack. Includes (1) Push Button Splashproof Lanyard Cap which is designed for above water use only. Simply depress the rubber cap on the end to turn On or Off or cycle through FX functions (FX and IR GLO-TOOBs only). The cap is equipped with a strong 40cm detachable lanyard. (2) Solid On Scuba Cap. The Solid On Scuba Cap and its thread protector cover are used for scuba activities. Totally waterproof to any depth, due to its non-active switch. Once ON always ON. When the cap is not in use, use the protector cover to ensure no water comes in contact with the conductive threads. Comes equipped with a large extra strength stainless steel attachment ring. (3) Twist On/Off Waterproof Cap. Allows the Glo-TOOB to be switched on or off underwater at any depth. When the cap is not in use, use the protector cover to ensure no water comes in contact with the conductive threads. Equipped with an extra strength stainless steel attachment ring. All caps are for use with any 12V battery size 2AA GLO-TOOB. Hang packaged. (CHINA)