Hands-free: The walkie-talkie supports Voice Activated (VOX) calling --- Relax your child's hands and send your voice without pressing the TALK button. It helps in outdoor adventures, hiking, camping, horse riding and other different activities. The best memory gift for your family. Practical features: 22 main channels 462-467mhz (FRS/GMRS) with sub-channels, ensuring 2 miles of wireless communication. When using CTCSS (Continuous Tone Coded Squelch System), you are free to use 99 low frequency tones (67-250mhz), and the strong anti-interference performance will not interfere with your signal. Friendly Design: Portable and easy to use, 1.2m drop-proof, built-in flashlight, suitable for night play, day and night company. Cool looking, compact, ergonomic design, channel lock function and easy push-to-talk operation, designed for kids ages 3 and up. Ease of use: Modern compact design. Simple push-to-talk operation, double-click to activate the buzzer. Broadcast to one or more units, with the ability to use different channels. PERFECT GIFT FOR YOUR KIDS: Kids love chatting through these well-made walkie-talkies, it's the perfect choice to show directly to your kids. Perfect for indoor and outdoor activities such as shopping, spring outings and summer camping. Note: Batteries used: 4 AAA batteries are installed in each machine. This product does not include batteries.