Never be without light again. The IMPULSE attaches to a keychain or a cap's brim. 5 modes (2 flashing) with 1 Ultrabright LED.
Princeton Tec has taken the smallest item in our product line and made it better —with a flick of a switch, the Pulsar II stays on so you can free up your hands for other tasks. Like its predecessor, the Pulsar II can also be illuminated merely by squeezing its compact, lightweight body.
1 Ultrabright LED at 4 lumens projecting a wide beam 10 m
(2) 2016 Lithium Coin Cells with a 12-36 hr burn time (flash for 48 hrs), Weight 7 gm