Features: 1. Extended Touch Screen With Sound Input And Output Functions (ADC, DAC)2. With Tf Card Slot (Storage Data, Playback Data, Frequency Management)3. Comes With Tcx0 High-Precision Clock (0.5ppm), The Frequency Is As Accurate As A Walkie-Talkie4. The New Firmware Automatically Switches To External TCX(You Can See The Clock Source Is External In The Menu)5. Built-In CR1220 Battery With Clock Function (Records The Current Time When Saving Baseband Files, Supports Offline GPS SimulationDescription: 1. Base Material: Nickel2. Flame Retardant Properties: VO Board3. Insulating Resin: Phenolic Resin4. Insulating Material: Organic Resin5. Insulation Layer Thickness: Thin Board6. Model: Portapack H2Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The UseMaterial: PCBcolour: As ShownPackage Contents: 1 x Circuit Board1 x 2500mah Battery5 x KEY Buttons1 x Switch Knob1 x Speaker WiringOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.