Model: UM1002UT Main Material: ABS Product Dimension: 152 x 152 x L208mm Power: Max 30W Power Supply: 1x 18650 Lithium Battery(included) Battery Life: Normal use to up 8 hours Reach: Outdoor up to 500m Function: Talk, Siren, Recording, Volume Adjust Recording Time: 200 seconds Extra Input: 1x full speed USB 2.0 OTG controller, 1x TF card host controller Support Format: MP3, WMA, WAV Color: Blue-White/Red-White