**********Extremely simple operation sturdy 2 way radios without needing any training; Come to work with each other out of box and can communicate with other brands radios by being on the same channel and privacy codes*****Each radio comes with two 1500mAh rechargeable Li-ion batteries, make it more convenient to use outdoors for a long time; High-quality Covert Air Acoustic Tube Earpieces, good fit for your private communication*****Multi features 2-way radios with good signal and clear voice; Voice prompt reminds you current channel number; Private codes will build secure conversation in your team; Scanning allows you to locate conversations in progress*****Commercial grade two way radios with user-friendly configuration; Bright flashlights provide great convenience for your evening work; Emergency alert function will release help signals when you press it*****FCC Certificate under the Technical Specification; 60 days return with no questions asked including the accessories