This Puxing PX-777 136-174 Mhz VHF portable handheld radio is of unbeatable value for basic VHF communications * 128 Groups of memory channels. Three color LCD backlight display. * Bell ring when receiving signal. Priority Scan Function. * Come with 1200mAh Li-ion battery. * Switching between Channel/Freq. Adjust squelch level(0-9).