1. 48CH 5.8G frequency range: (AB.E.F.RL;5362MHz-5945MHz); 2. Max power:1.6W(25mW/400mW/800mW/1600mW adjustable); 3. Input voltage: DC 7V-36V,supporting 2-8S battery input 4. Antenna connector: MMCX 5. Smart audio:IRC Tramp Heat-dissipating method: aluminum alloy heat sink&fan Hole spacing: 30.5mm x 30.5mm /3.15mm Dimension: 37.7mm x 36.1mm x 11mm Due to different batches, the appearance, color and printed words of the product , which not affect the use. Material: Metal colour: red Package Contents: 1 x Video Transmitter Kit 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.