From the top name in walkie talkie two way radios: The Cobra MT148Ks offer big performance from a small package. --- The MT148 K COBRA Walkie Talkies are compact and lightweight making them great for use on-the-go and ideal during group activities such as Hiking, Camping, Jogging, or work-related projects. --- It has up to 3 km range with 8 channels, call alert, roger beep and a unique power saving function. --- Operates from 3 x AAA batteries, not included. So you can make your choice from rechargeables or standard.