Features: 1. Up key: increase frequency, channel number or setting value 2. Down key: Decrease frequency, channel number or setting value 3. PTT key: Press the PTT (Push-To-Talk) for key to transmit 4. Number key: Input VFO frequency or DTMF dial out etc. 5. DTMF ON/OFF : Switches between DTMF dialing or function operating 6. LOCK Switch: Locks out the UP Down Numerical keys and Function keys Specifications: Item Type: Handheld Mic Material: ABS Size: 9x5.5cm/3.54x2.16in Compatible Model: TYT TH-9000 TH-9000D Color: Black Quantity: 1 PC Note: No retail package. Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 1 x Handheld Mic