Wrist-worn wireless video transmission transmitter receiver receiving display for train worker

This is a hand-held, wrist-worn wireless video receiver. It is very suitable for some operators to carry. It can remotely monitor the situation where the transmitter camera is facing. Widely used in construction vehicles, trains, airplanes, electric workers, and other operators. His frequency can be adjusted to support customization. Rugged case, simple operation buttons, dìon-uisge.