... sensors, temperature sensors, ultrasonic servo circuit, display, control signal output, the transmitter circuit as a whole, using SMD chip ... accurate line calibration, starting and ending point range, the output module, window lock value Junke keyboard settings, enable the ... : d = 1mm/1cm calibrated settings Keyboard: 3 Waterproof touch keys Data Output: Current: 4 ~ 20mA or 0 ~ 20mA; Voltage: 1 ~ ...