UHF CB TRANSCEIVER Loud, Clear & Easy-to-Use 5 Watt RF Output Power5 Watts (High) and 1 Watt (Low) selectable output power. Seven-Colour Backlight LCDThe colour of the LCD Screen can be changed to reflect the operating status. Different colours can be assigned to channels, and colours can be set to indicate when scanning or transmitting. Noise Reduction, Audio Equalizer & Voice ChangerThe Noise Reduction reduces background noise from both transmit and receive audio. Voice Recorder & Instant Play BackCan record up to 10 messages of 30 seconds each, for a total of 5 minutes. Supports Both 12 V/24 V DC Power SourcesAccepts a 12/24 V DC power source and it is suitable for most types of cars and trucks. Dynamic Group Scan for Keeping Group CommunicationUsing a CTCSS or DTCS tone, this function finds an open channel for group communication. Loud Speaker-Microphone with Auto Volume ControlThe microphone monitors ambient noise levels and automatically adjusts the audio level. IP54 Water Resistance & Dust Protection Read product brochure here Supplied Accessories Speaker-microphone, HM-244 DC power cable Mounting bracket for Main unit Microphone hanger