POWER TALKIE is especially suitable for emergency equipment,the equipment can come in handy in an emergency. The fire department can reserve Power talkie. Whenever you travel, you can bring power talkie. In the case of fire, the mobile phone signal is very weak. During the rescue, firefighters can send SOS function to help their teammates. It can speed up the rescue and reduce casualties.We have many years of experience in manufacturing and sales of GPS Location Power Talkie.The Outdoor Location Sharing Power Talkie battery can last up to 7 days.