Transmitter is small in size, light weight, battery is placed within the chassis, the antenna uses annular is located in the above case, improve the efficiency of the launch. Bell man in his hand, signaling in the car is very convenient. Transmitter panel operates under voltage indicator, factory has been set, when this light need to recharge. Transmitter with charging device, do not need special charging equipment, can be directly in charge voltage **0 v. Receiver has the sound, light, digital display function, can be used to count the dot from the transmitter signal and more reliable to ensure the accuracy of the dot signal. Do not need to set up induction line by means of the underground bell lines, signal lines, can carry more than ***0 metres. If set up induction line effect is better. Inclined shaft people and vehicles signal device is divided into clear shaft and dark shaft used,difference is that dark shaft signal device pick all power supply should be explosion-proof power.
