... way radio vhf/uhf, 2000mah li-ion TOT, 0-9 squelch ... talkie, two way radio, 2 way radio, interphone, transceiver ham radioQuanzhou Kingpo Electronic Co., Ltd Product name: ... Monitor3. Auto Battery Save4. Low Battery Alert5. Busy Channel Lockout6. TOT (Time-out timer)7.Channeel spacing: ... Ending sound silence12. Squelch level 0-9 adjustable13. Channel Scan14.Build-in Machine code2.Target user: All Users3 ...