The battery life is great, turned off they last for months, and for a few days of normal usage, and the range has worked great for everything we've needed (and know the limitations - 1/2 mile in the city, up to a few miles rural areas or line of sight)

This worked really well on our recent hiking trip in NH

Keep up the great work!

Texting worked well for

They were extremely successful in texting and sharing locations when our cell services were not working.