Petzl E-Lite E02 P4

Ultra-compact emergency headlamp. 40 lumens
This ultra-compact emergency headlamp is ultra-lightweight (26g) and easy to carry. It comes with a protective case, making it ideal for carrying in a backpack pocket or emergency kit. Its 10-year shelf life makes it ideal as a backup headlamp. It features red and white lights with up to 40 lumens of continuous and flashing modes. It also features a whistle on the back of the elastic headband for use in emergencies.

An ultra-lightweight, compact emergency headlamp that can be carried anywhere
It can be stored for 10 years with a battery (CR 2032 lithium) inserted and ready to use.
The white light is bright enough to operate in the dark
In an emergency, the red LED can be used as a signal to announce your location.
On/off switch can be locked to prevent accidental operation

Specifications
Light output: 40 lumens
Weight: 26g
Beam pattern: Wide
Power supply: 2 CR2032 lithium batteries (included)
Operating temperature: -30℃ to +60℃
Waterproofing: IP X7 (waterproof at a depth of 1m for 30 minutes)
Certification: CE