Waterproof and Dustproof Non-license Radio The Retevis RT48 is a durable license free radio, features with IP67 waterproof, emergency alarm to keep you informed, charged up, and in contact no matter the situation around you in outdoor or indoor.It provides clear point-to-point communication with superior reception, transmission, and sound quality. Keeping you always in touch with team members. Tips：VOX and emergency alarm can set through computer software Multi channels functional walkie talkies The walkie talkie provides 16 channels, multi functions options to meet your family outdoor activities use. they can be used working out of the box with Retevis walkie talkies Security walkie talkies The Retevis RT48 radio comes with 50 CTCSS and 210 DCS codes Long Life battery A full range of battery choices, along with rapid recharging capabilities, ensure your radios support long shifts, common at the construction site.Lasting over 10-12 hours for daily use. Rugged and durable Designed to withstand rain and wind, exposure to salt fog, blowing dust on all surfaces, vibration, and extreme temperatures – all elements common to a construction site. Package includes 1 x RT48 Walkie Talkie 1 x 1200mAh Rechargeable Battery 1 x USB Charger Adapter 1X Charger dock 1 x Belt Clip 1 x Hand Strap 1 x English User Manual Features Waterproof IP67 Emergency alarm Remote and local alarm Li-ion battery 1200 mAh Frequency License-free