Compact and lightweight commercial two way radios; with dual PTT buttons; front PTT buttons with rounded light strips; display different colours of light when transmitting and receiving signalsOut of the box; can talk directly to models such as the Retevis H777S RT19 RT20 RT21 RT22 RT27; No complicated buttons for employees or teams to get started quicklyCellular speakers provide clear, loud audio; the vox hands-free feature allows you to talk directly while you are busy without pressing the PTTThe integrated antenna can withstand the harsh collisions and shocks; the metal back clip does not break and can withstand everyday wear and tearCompact, light weight, and easy to use,RT18 walkie talkies are an affordable way to improve employee and staff communications or without having to use bulkier traditional radios