best rechargeable tactical flashlight under 100 PeakPlus LFX1000 (Rechargeable Battery and Charger Included) - High Lumens LED, Super Bright, Zoomable, 5 Modes, Water Resistant Bow RB312 Multi Function Tactical Rechargeable 200 lumens powerful light best in its class 26650 Li Utilitech 100-Lumen LED Flashlight in

With a lightweight fit system, the Mainframe MIPS Helmet will also keep you cool, and should the sweat stank builds up, you can easily whip the moisture-wicking liner out and run it through the wash

The complete scheme is as follows: start in low mode (150 lumen) press L for 0.5s start in high mode (1,200 lumen) press H for 0.5s switch off either L or H for 0.5s switching between modes click L briefly to decrease brightness click H briefly to increase brightness key lock hold both switches for 3s SOS press L for 1.5s strobe press H for 1.5s For those with good eyes and bad memory there are little pictograms for the SOS- and the strobe-mode

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As far as venting, there are three closable vents: one in the area of the upper lip, another on the center of the forehead, and the last atop the helmet

The flashlight is IP68 dust-proof and waterproof-rated for durability and compact enough to carry on a keychain