Features: 1) Weight without batteries: 107g2) 20 LEDs supper bright for long range lighting3) Adjustable stable elastic head band, top strap is an option4) Simple, around-the-head fit: easily identifiable and put on in the dark5) Operates with 3 x AAA batteriesInner packing: Blister white box, color box producing area:China payment:T/T, L/C supplying capacity:50,000pcs