A Perfect Home Intercoms System：Give Both Caregiver and Patient/Elderly/Resident/Handicapped/Sick Freedom while Still calling for Help at home. Not need to Yell to Get Someone’s Attention. Great for Outdoor and Indoor Activities：Up to 2 miles with no obstructions, perfect for family camping, hiking, fishing, shopping, traveling, football games, CS games etc. Also kids can talk to their neighbor friends at home when raining or at night. Friendly Design：16 Channels, VOX， Hands free function, Adjustable volume, easy to use for all ages. It easily fits on your hand . Rechargeable Li-ion Battery: 5000mAh, 15 Days Long standby time , Perfect for long time use, Power Saving To Extend Battery Life, Low Voltage Alert, Usb Cable Charger Version. Perfect Gifts for Elderly Boys Girls Adults : One-to-One and One-to-More communication function allow more kids talks on same channel. Kids can have fun with families and friends Freedom.