1) 3 chambers, high pitch 2) Not affected by water or weather 3) pealess, no moving part to freeze or deteriorate 4) Made of Hi-Viz Durable ABS5) size: 55*21*22mm6) there is a black rope attached on the whistle7) 1pc/blister card packing, 12pcs/inner, 240pcs/ctn8) ctn size: 45*45*35cm9) G.W.: 7.5kgs plastic pealess whistle LS4408
