Feature:1. UP TO 3KM RANGE: This children's walkie talkie enables up to 3 km of talk distance in an open air environment, making it easier for children to keep in touch with each other.2. MULTI CHANNEL OPTIONS: Support 8/16/20/22 channels, according to the use of the environment to choose the appropriate channel, avoid channel conflicts, to ensure fluent talk.3. EASY OPERATION: The children's walkie talkie is simple to operate, with easy to understand buttons and intuitive interface, so children can easily master how to use it and enhance their autonomy.4. WATERPROOF AND DURABLE: Made of ABS material, it has waterproof and anti fall resistance for some accidental splashing or minor impact, and can adapt to the environment used by children.5. BUILT IN LITHIUM BATTERY: 600mAh built in lithium battery, no need to buy additional batteries.Children can easily charge by inserting a charger, reducing the impact on the environment.Specification:Item Type: Kids Walkie TalkiesMaterial: ABSChannel: 8/16/20/22Subcode: CTCSS: 38+ DCS:61Frequency: FRS: 462.55000467.71250mhz.Range: Up to 3km (Sea Level)Transmission Power: 500mWModulation Type: FMF 3EChannel Spacing: 12.5/25KHZBattery: Built in 2 x 600mAh Lithium Battery..Package List:2 x Walkie Talkie2 x Lanyard1 x Data Cable1 x Instructions