Fangrui Product Details 1.3ghz Band With Excellent Environmental Adaptability Maximum Transmit Power Up To 4w Aluminum Alloy Housing, Rugged, Efficient Heat Dissipation Wide Voltage Input From 7-36v Built-in Irc-tramp Protocol To Connect To Fc Remote Control Equipped With High Gain Circularly Polarized Antenna Video Input Format:cvbs Pal/ Ntsc Frequency Band:band B 1200-134omhz Channel Frequency:ch1-1200 Ch2-1220 Ch3-1240 Ch4-1258 Ch5-1280 Ch6-1300 Ch7-1320 Ch8-1340 Transmit Power:pl1- 200mw Pl2-800mw Pl3- 2000mw Pl4- 4000mw Input Voltage:dc 7-36v (3-6s Lipo] Vtx Control:button/ Irc Tramp Operating Temp:-10c - +60c (due To Different Batches, The Printed Words On The Product Be Different, Which Does Not Affect Use) Colour:as Shown Material:aluminum Alloy Package Contents: 1 X Vtx 1 X Antenna 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 +/-