Multifunction wrist walkie-talkies. Watch, stopwatch, FM radio, SOS alarm, USB charger, voice coder. Range: 7 km.
TCXO technology (temperature compensated crystal oscillator) prevents changes in frequency due to variations in ambient temperature. CTCSS and DCS 1-99 sub-channel coding and decoding. Continuous Tone-Coded Squelch System or CTCSS is a circuit used to reduce the annoyance of hearing other users on the channel. Frequency: 446MHz/8 channels.
Not required Up to 9 years