Ailunce HD1 DMR dual band handheld two way radio support you to communicate quickly in different environments. The two frequency bands support multiple frequency ranges for communication, and there is also a dual time slot function to meet your needs in many ways. The HD1 comes with a detachable antenna, out of the box, and the settings and information can be changed through the front panel, making it more convenient to use. Two knobs operate volume and channel for easy operation. 3200 mAh large capacity rechargeable battery, long term standby and use, 15 hours of normal use, longer standby time, you can rest assured to talk outdoors. Through the number keys on the front panel, you can also edit information, send and receive information, and have more comprehensive functions. HD1 supports both digital mode and analog mode, and is compatible with other two way radios, which can be connected and used. You can turn on the promiscuous mode to receive all signals, or you can set a separate CTCSS/DCS code to receive separate signals, making calls more accurate. More features:Remote kill/stun/activate, Talk around, ID Setting, Carrier Lone Worker, Transmit/Transceiver interruption. Package included: 1 x Ailunce HD1 two way radio; 1 x Battery; 1 x Antenna; 1 x Adapter(110V); 1 x Charger; 1 x English User's manual; 1 x Belt clip 1 x Sling.