Photon 1, White LED runs for 12-14 hours and longer when used intermittently. The new Photon 1's have a water resistant case, easier to use push button, and a redesigned battery compartment to simplify battery replacement. The Photon 1's do not include an "On/Off" switch. Simply squeeze the light to operate.

Battery	2, CR-2016 Lithium, Included
Dimensions	1.5"
Lamp Type	White LED, 20 degree beam angle, full spectrum
Light Output	not rated
Weight w/ Batteries	.1 ounce
Run Time	12 hrs.
Focus Type	Wide
On/Off	Squeeze
Material	Plastic