How to use:1,Long press the power button to turn it on.2,adjust the channel in the menue button,please keep the 2 walkie talkie in the same channel.3,long press the "talk" button to talk.4,if the child it too yong,please long press the "menu" button to lock the channel,in this way,the child can't change the channel by himself,and you can find him easlier.5,you can long press the "lamp" button to turn on the flashlight in dark.6,in the top,there is a headset jack,you can put on your earphone in it.Note:It can be used within 3KM range in straight open distance,please understand,thanks!1. Due to manual measurement, please allow a size error of 1-2cm.2. Due to the difference of light and screen, the color of the product may be slightly different from the picture, please refer to the actual product.3. We provide wholesale service, there will be more discounts.4. Follow us, we will update the latest and most beautiful new products from time to time every month for