Model: UM3002R Main Material: ABS Product Dimension: Ø230 x L350mm Power: Max 50W Power Supply: 8 x Type C or 12V Lithium Battery Battery Life: Normal use to up 8 hours Reach: Outdoor up to 1500m Function: Talk, Siren, Recording, Volume Adjust Recording Time: 120 seconds Extra Input: 1xUSB, 1x MMC(or TF), 1x AUX Support Format: MP3, WMA, WAV Color: Grey-Blue