Retevis RT7 Walkie Talkies Rechargeable UHF 16 CH FM Two Way Radio with Earpiece(Silver Black Border, 4 Pack) and Programming Cable UHF and 50CTCSS/105DCS keep your communication away from interrupted Come with USB charger and rechargeable battery provide booster for your long time outdoor work Crystal voice transmission and receiving allow clearly communication with your partner 1000mAh battery capacityallow you can charge 2-3 hours then you can use it for up to 8 hours continuous use or longer Simple and Convenient return process; 1 year warranty and 30 days no reason to return Frequency Range: UHF Frequency Spacing: 12.5kHz/25kHz Battery capacity :1000mAh Single band Single frequency Auto battery save Battery low alert Monitor function Busy channel lock-out PC software programmable 50 group CTCSS/105 group DCS 4 Retevis RT7 two way radio 4 Antenna 4 Earpiece 4 Li-ion battery pack 4 USB Charging base 4 Belt clip 4 The sling 4 English User&#039;s manual 1 USB Programming Cable