If you needs the two way radio easy to operate and also last long time,the RT21 is your perfect choice;
Because the radio have been set to the same frequency and they can work with each other when out of the box.
It also have the stubborn accessories, and you also easy to found the suitable accessories.
Dust-proof and anti-broken suit for the outdoor work,and also work well for the team work.
Built-in Private code: The Private code feature provides enhanced security for your important public safety and private security communications. Suitable for hotels, restaurants, construction sites, factories, etc.
Memory Channel: 16
Low battery alarm
Busy Channel Lock Out
Wide/Narrow Bandwidth Selection (25 KHZ/12.5KHz)
Battery Save Function
English/Chinese Voice Prompt
High/ Low Power Select-able
4 x Retevis RT21 Portable Radio
4 x 3000mAh Li-ion battery
4 x Antenna
4 x Charger
4 x Belt Clip
4 x Sling
2 x English User manual
4 x Earpieces