Feature: 1. Long distance transmission module, professional antenna, open barrier‑free for over 300m/984.3ft transmission distance. 2. 4K photo transmission support 3840x2160/30Hz transmission, downward compatible support 1080P/ 60Hz. 3. Power display and signal display of the front LED light, high readability, convenient remote view, highly visual double display. 4. Side for OLED screen, RX, TX power display at the same time, you only need to switch one end to switch channel. 5. Four power supply modes, including NP‑F series battery, 7‑16V DC port, 5V Type‑C, V port battery. 6. Stable and fast fan heat dissipation, secure shooting, provide better using experience. Specification: Item Type: Wireless Video Transmitter Material: Aluminum Alloy Weight: Approx. 1045g/36.8oz Color: BlackVideo Format Support: 4K(3840x2160)30fps, 1080P/I 720P/ 60HzFrequency: 5.18-5.7 GHZInterface (transmitter and receiver) : High-Definition Multimedia Interface input/loop outReceiver High-Definition Multimedia Interface output: 2xantenna port High-Definition Multimedia Interface: standard High-Definition Multimedia Interface 1.4Transmitting Power: 21dBChannel Display: 15 5G channel optionsTransmission Distance: 300m/984.3ft +(stadia transmission condition)Working Environment: 0℃-45℃(32°F-113°F)Storage Humidity: 20%-75%Compatible Battery Model: F550, F750, F970 (batteries need to be purchased separately). Package List: 1 x Receiver 1 x Transmitter4 x Antenna 2 x High-Definition Multimedia Interface Line2 x Cold Shoe1 x Instruction2 x Battery1 x Charging Base1 x Storage Bag Note: 1. The antenna of the transmitter and receiver should be parallel to each other2. Both the transmitter and receiver need to be connected to the power supply before turning on the switch3. If not used for a long time, shut down and remove the battery.