Can be used for multiple walkie-talkies at the same time, the signal will not cause interference, no interference. Super long distance, no noise, maximum distance of 3 miles in outdoor area, no shading. The signal can pass through 7 floors. The clock adjustment button can be adjusted as required and can be used as a watch. It also has a flashlight function. When the child is camping or off-road, the flashlight can illuminate the exquisite design. There are screws on the battery coverof the walkie-talkie to prevent the back cover from popping up and opening. It will bring a safe, long-lasting and fun experience for your child. There is a screw on the battery cover of the walkie-talkie to prevent the back cover from popping open. It will bring a safe, long-lasting and fun experience for your child. Requires 3 AAA batteries (not included in the scope of supply). Gifts for boys and girls-children's walkie-talkies are very suitable for enhancing communication games, and also a good toy for parents and children to interact and communicate. Suitable for children aged 3-12. Our children's toys are very suitable forchildren. color: red