wn Two Way Communicate Reviser RTE DMR radio with dual frequency range, up to 3000 channel and contacts list, 2200 mAh battery; Dual watch: 100% 1P67 waterproof and dust-proof support water-immersible in up to one meter of water for 30 minutes Model SMARTS HD1 Frequency 2m 70em 2m 70cm 2m/ 70cm Yes Yeu NO Waterproof Pa? ike? ipa? | Global Leader in Two Way Communicate We are engaged in the full application of walkies talkies. creating benefits for more scenarios to use walkies-talkie.