This all-in-one life-saving tool could be the best investment you ever make
The hammer easily shatters glass to free you when doors are jammed on land or under water
The seatbelt cutter quickly slices through a jammed seatbelt and the digital tire gauge accurately measures air pressure
Use the brilliant flashlight in the event of a crash or nighttime emergency
Requires two AAA batteries, not included
Includes two button-cell batteries
Dimensions: 5 to 3/4 x 3 to 1/4 inches