Frequency: 1.2G frequency band; A, 1 frequency group, 8 channels Antenna interface: MMCX RF impedance: 50 Ω RF output power: PIT/25mW/400mW/600mW/1W/2W Input power supply: 7-28V DC Current consumption: 600mA@12VDC@2W Operation mode: Key operation, OSD control Input video impedance: 75 Ω Input video amplitude: CVBS 0.8-1.2VP-P Video format: NTSC/PAL Key operation instructions: Power button: green light indication, short press to switch power, flashing times to indicate current power; Long press for 2 seconds to switch to PIT mode, and the constant light indicates PIT mode. Frequency button: Red light indicates frequency group, blue light indicates frequency; Short press to switch frequency, CH1-CH8 cycle switching. Due to different product batches, the appearance may vary, which does not affect the use Colour:Black Material:Aluminum alloy Package Contents: 1 x 1.2G 2W mitter Module 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. Product Notes: Please allow a little manual errors.Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please confirm acceptance before ordering. About Shipping: Please ensure your shipping informations are correct to avoid delivery issues. All orders are shipped within 3 days after payment. Delivery usually takes 8–12 days, The specific delivery time is depend on circumstances. If you have any questions during your purchase, feel free to contact us. We will respond you within 24 hours.