• Walkie talkie battery great and durable; 4400mAh Li-ion battery would last about 4 weeks before you have to recharge them; standby time up to 300 hours; you will get an audible warning when the battery is about dead in case you haven't been watching it; ideal for warehouse or property shift workers
• Decent distance; you can easily communicate from one end of the house to the other; can meet the call distance of an ordinary school building; helps staff stay in touch; information sharing
• Rugged professional business walkie-talkie; you will amazed by how well they work and the durability; 2 way radios are very tough; even with drops and bumps; It has some gouges and scrapes but still works just fine
• USB-C charging make charging easy; the charge time is about 1 to 3 hours from completely dead to full; the two-in-one charging cable greatly improves charging efficiency and saves charging space
• The sound quality is clear and the volume is fairly loud; big speakers bring loud and clear communication; and acoustic tube earphones make calls more safer and clearer
• An emergency alarm is a good emergency device that can help you call for help or attract attention in an emergency; VOX can be activated directly by voice
• License free two way radios;16 channels; simple to use; use directly with Retevis RT22; H-777; RT21; RT68 on the same channel and CTCSS

• Product Dimensions ‏ : ‎ 1.49 x 2.2 x 8.85 inches; 8 Pounds
• Batteries ‏ : ‎ 10 Lithium Ion batteries required. (included)
• Date First Available ‏ : ‎ May 20, 2020
• Manufacturer ‏ : ‎ Retevis
• Country of Origin ‏ : ‎ China