Features: Main Feature: Developed for extreme long-distanced pilots, small and efficient active cooling design unleashes the full performances of the VTX. Highly frequency transmission: 5.8G frequency, 2.5W power output, providing reliable video transmission signal. Lightweight and portable: small in design, lightweight, suitable for installation on FPVs traversing machines without add too much burden. Multifunctional interfaces: With multiple interfaces option, suitable for various FPVs devices, easy to connect and operate. Strong stability: Advanced image transmission technology is adopt to ensure reliable video image transmission, reducing the possibility of interferences and signal loss. Specifications: Material: ABS, Metal, Printed Circuit Board Channel: 48CH / 37CH (US) Input:DC7-36V Power level:PIT-25mW-500mW-100mW Output:DC5V (up to 500mA) Antenna connector:MMCX 50Ω Size:H 40mmxW 24mmx D 10.5mm Weight: 15g (with out cable) Package Includes: 1x 5.8G 2.5W VTX Image Transmission Module Kit note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.