Retevis RB17 4400mAh 2 Way Radio Rechargeable,Heavy Duty Walkie Talkies with Earpiece and Mic,VOX Handsfree Emergency Alarm USB-C Charging,Rugged Two Way Radios for School Construction Farm (10 Pack) - FA9191AX5-C9003AX10-C9034AX5

• 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 Please note that our walkie talkies FCC ID is 2ASNSRB17. our walkie talkies meet FCC part 95 rule