... and main control box, thus can be easily installed on trucks, long vehicles, pick ups, buses, etc. ◊ Signal transferred ... accurate, no false alarming. ◊ Sensors are with soft rubber rounding, especially suitable for trucks with fierce vibration cirumstances. ◊ All wire sockets are ... any weather conditions. ◊ Sensor connecting wires is thick and with outer plastic shell, can protect inner wire well. VP- ...