<!--ProdInc[170104607]/Mall:[rei_US]--> 1 main chamber with a waterproof pea, creates a loud 120-decibel staccato sound critical for being heard above the roar of wind and emergency vehicles 2 secondary chambers create separate omnidirectional high-pitched sounds Universal locking safety clip Hands-free mouth grip Sure-grip ridges for wet, cold or gloved handsMade in USA. Technical specs <table border=1 cellpadding=5 style=''border-collapse: collapse;''><!--[--><tr class=''tech-specs__row'' data-v-fc44804c=''''><th class=''tech-specs__header'' data-v-fc44804c=''''>Best Use</th><td class=''tech-specs__cell'' data-v-fc44804c=''''><!--[--><p class=''tech-specs__value'' data-v-fc44804c=''''>Hiking</p><p class=''tech-specs__value'' data-v-fc44804c=''''>Backpacking</p><!--]--></td></tr><tr class=''tech-specs__row'' data-v-fc44804c=''''><th class=''tech-specs__header'' data-v-fc44804c=''''>Material(s)</th><td class=''tech-specs__cell'' data-v-fc44804c=''''><!--[--><p class=''tech-specs__value'' data-v-fc44804c=''''>ABS plastic</p><!--]--></td></tr><tr class=''tech-specs__row'' data-v-fc44804c=''''><th class=''tech-specs__header'' data-v-fc44804c=''''>Dimensions</th><td class=''tech-specs__cell'' data-v-fc44804c=''''><!--[--><p class=''tech-specs__value'' data-v-fc44804c=''''>2.76 x 1.38 inches</p><!--]--></td></tr><!--]--></table>
<!--ProdInc[170104607]/Mall:[rei_US]--> 1 main chamber with a waterproof pea, creates a loud 120-decibel staccato sound critical for being heard above the roar of wind and emergency vehicles 2 secondary chambers create separate omnidirectional high-pitched sounds Universal locking safety clip Hands-free mouth grip Sure-grip ridges for wet, cold or gloved handsMade in USA. Technical specs <table border=1 cellpadding=5 style=''border-collapse: collapse;''><!--[--><tr class=''tech-specs__row'' data-v-fc44804c=''''><th class=''tech-specs__header'' data-v-fc44804c=''''>Best Use</th><td class=''tech-specs__cell'' data-v-fc44804c=''''><!--[--><p class=''tech-specs__value'' data-v-fc44804c=''''>Hiking</p><p class=''tech-specs__value'' data-v-fc44804c=''''>Backpacking</p><!--]--></td></tr><tr class=''tech-specs__row'' data-v-fc44804c=''''><th class=''tech-specs__header'' data-v-fc44804c=''''>Material(s)</th><td class=''tech-specs__cell'' data-v-fc44804c=''''><!--[--><p class=''tech-specs__value'' data-v-fc44804c=''''>ABS plastic</p><!--]--></td></tr><tr class=''tech-specs__row'' data-v-fc44804c=''''><th class=''tech-specs__header'' data-v-fc44804c=''''>Dimensions</th><td class=''tech-specs__cell'' data-v-fc44804c=''''><!--[--><p class=''tech-specs__value'' data-v-fc44804c=''''>2.76 x 1.38 inches</p><!--]--></td></tr><!--]--></table>