Fangrui Product Details Aio Fpv Camera, Transmitter , Antenna All 3 Functions In One Limit Size And Weight 150 Fov Horizontal Viewing Angle Of 170 Dfov Diagonal Perspective Five Bands 40 Channels With Race Band Fpv Camera Sensor: 1/4inch Cmos Lens: M8 800tvl Lens Angle: 150 Fov Horizontal Viewing Angle Of 170 Dfov Diagonal Perspective Format: Ntsc / Pal (switchable) Power Consumption: 380ma @ 3 7v Power: 3.6-5.5v Lens Mirror Diameter: 2.1mm Ir Coated Fov150 (horizontal) Video Transmitter Support Video Format: Ntsc / Pal Output Impedance: 75 Ohm Output Signal Strength: 23 - 24dbm Output Power: 25mw Wireless Channel: 40ch Antenna: Rhcp Circular Polarization Antenna Operating Voltage: 3.6v - 5.5v Current: 100ma Audio Carrier: 6.5mhz Button Function Short (apr. 1 Sec Or Less): Change Channels 1-8 Long (more Than 1.5 Sec): Change Bands A-b-e-f-r Long + (more Than 3 Sec): Change Ntsc/pal System Ntsc Or Pal (selectable; Blue Led On= Ntsc; Blue Led Off=pal) Due To Different Product Batches, The Appearance , Which Does N