Check the listing for details. 50 Pack 12 Hour Light Sticks Camping Survival Emergency Disaster Kits. Condition: New. Listed at 44.99 USD. 50 Pack of 12 Hour Light Sticks Last for a full 12 hoursIndispensable for instant light after a disaster or during a power failureLight sticks are waterproof, do not need batteries, are inexpensive, and are disposableThey can tolerate high pressures, such as those found underwaterThey are used as light sources and light markers by military forces, campers, and recreational divers doing night divingLight sticks are considered the only safe light source immediately following an earthquake, due to the fact that they do not use any kind of electricity to work, and there is no danger of sparkingThey do not have batteries or contain electrified filaments like normal flashlightsThey are safe for use in explosive environments.