Input voltage:6-36V Working current:Less than 450ma@12V, 800mW; Less than 850ma@12V, 2500mW Output power:0-25-400-800-1500-2500mW Adjustment method:button/OSD Output frequency:56CH (A-B-E-F-R-X-L)<br><br>Product name:VT5804-BAT Antenna interface:MMCX Video format:NTSC/PAL automatic detection Installation hole:30.5x30.5mm - 20x20mm Weight:11 grams (excluding antenna and power cord) Size:Length 38mm x Width 36.5mm x Height 7.2mm Due to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use. Colour:Black Material:Plastic+Metal<br><br>Package Contents: 1 * 4.9G 5.8G 6G 2.5W VTX Kit<br><br>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.