Equipped with a 2.4 inch color screen, it allows you to read data more smoothly and provides you with a better user experience. Built-in capacity -battery, do not worry about sudden power failure. Support type-c upgraded program, 3.5mm output, and 3.5mm antenna port, with maximum charge current of 1.5A; Radio frequency spectrum scan function; Back light brightness adjustment; Size: .11x10.3x4.7cm/4.33x4.06x1.85in, excluding protruding part Built-in -battery :3.7V/2000mA F: 64 functions 108MHz/RDS function :153khz 500khz :520khz 1710khz S:1730khz 30000khz SSB:1730khz 30000khz Colour:black Material:aluminum alloy Package Contents: 1 x host 1 x wifi antenna 1 x rod antenna 1 x stylus 1 x TYPE-C charging data cable 1 x screen wiping cloth Only 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.