About this item * LCD Display: The LCD backlight display is convenient to use. The built-in LED flashlight can be used as a two-flash SOS light in emergencies. The built-in transceiver prevents interference with 20 channels, greatly increasing the privacy and security of your calls. * Communication distance: City: Approximately 100m to 300m; Suburbs: Approximately 300m to 800m; High visibility location: Approximately 800m to 2km (Varies depending on the environment. For obstacles such as walls and floors, the call distance depends on the thickness.) * EASY TO USE: The T518 Walkie Talkie's built-in VOX feature allows you to send signals without pressing the push-to-talk button. Walkie Talkies automatically transmit weak sounds. It can also be used as a simple baby monitor. * Emergency Response: Simply adjust the channel to use. In case of emergencies (outdoor distress, earthquakes, fire, etc.), it will quickly alert the caller. * Set of 2 compact, specific power transceivers.