GENTOS LED Headlamp Double Star WS-543HD, 600 Lumens, 2.5H Runtime, IP64 Dustproof Splashproof, Uses 3x AAA or Rechargeable Battery (Sold Separately)

---------------------------------------------------------------------- Dimensions (approx.): Width 66.8 x Depth 42.8 x Height 45.5 mm, Weight: approx. 118 g Package contents/accessories: Main unit, non-slip headband, test batteries (3 x AAA alkaline batteries). Battery usage: 3 x AAA alkaline batteries or dedicated rechargeable battery (sold separately). Brightness: High/600 lumens, Mid/290 lumens, Eco/35 lumens, Sub-red LED/10 lumens Practical lighting time: High/2.5 hours, Mid/5 hours, Eco/25 hours, Sub-red LED on/19 hours, Sub-red LED flashing/40 hours Features: 2m drop resistance, dustproof and splashproof (IP64 compliant), maximum beam distance: approximately 188m