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. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. 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 make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!