1. support push button triger 2. support RF remote control 3. integrate HH:MM:SS ,MM:SS:DD and ... angle : 100/403. many optional controller: RF wireless remote(300 meters and 800 meters can be choosed), RF USB transceiver, RS485, etc.4. many optional ... display style7. message board support different communication method such as RF, RS485 etc.8. esay to install frame.we provide custom ...