Nextorch eStar Headlamp Li-on NXESTARLI. 48" x 1.81" x 1.42". Water resistant. Impact resistant. Rechargeable. SOS strobe. White and red LEDs. Unique rotary head switch. Modes: High (1300 lumens 1h 45m runtime); Low (5 lumens 110h runtime). 205m beam distance. Antibacterial and odor-resistant headband. Stepless brightness control. Requires (2) Lithium batteries (included) or (3) AAA batteries (not included). PC and ABS engineering plastics construction. Boxed with hanging tab. Package Contents: Nextorch eStar Headlamp Li-on