Rechargeable Power Pack, Hand Warmer & LED Flashlight is a must-have tool for any outdoor enthusiast.. The National Park Foundation Rechargeable Power Pack, Hand Warmer & LED Flashlight is a must-have tool for any outdoor enthusiast. This rugged device features a dual temperature hand warmer, a multi-mode flashlight, and a portable power supply for smartphones and personal electronics. The two-temperature hand warmer, with 104- and 113-degree settings, provides continuous heat for up to 12 hours. The 5200 mAh rechargeable lithium ion battery can deliver a full charge to most smartphones and MP3 players. An integrated flashlight features both red and white LEDs and five modes, including SOS for unexpected emergencies. The red LEDs are ideal for stargazing or anytime you need to preserve your night vision. The device's high quality aluminum shell is rugged enough for outdoor use, and compact enough to fit in your pack, pocket or glove compartment. Never leave home without the 3-in-1 National Park Foundation Rechargeable Power Pack, Hand Warmer & LED Flashlight.