Ruyage Radio Waterproof Walkie-Talkie(T30)About this item IP68 Waterproof: RUYAGE T30 supports IP68 waterproof, allowing you to use it safely while boating. 2900mAh Battery: The radio uses a 2900mAh rechargeable battery, which can support 4 5 days of daily use. Large LCD Display: This walkie talkie has an LED display that shows specific channels, battery usage, and signal strength. You can be more intuitive when using it. Marine Radio Channels: This marine radio has 16 channels and can