Welcome to the store! BRT LB02G (Upgraded New Version) If you need a cheap type without battery inside, click here: 2/3/4-wire 0-20mA 0-10V Signal Generator BRT LB01GNB Max. Output Range: max. -10V to 10V., 2/3/4-wire 0-22mA sink or source signal. Voltage output can be accurate to 0.00V Output range can be 0-20mA, 4-20mA, 0-22mA, 0-1V, 0-5V, 0-10V, 0-2.5V, 0-3.3V, -5V to 5V, 1-5V, 2-10V, etc. switchable and adjustable. Display modes can be: actual current/voltage signal value display, 0.0-100.0 (%), 0.0-50.0 (Hz), switchable. User can set 9 x quick signal output points, more convenient for troubleshooting. Has battery capacity status indicator and battery voltage value display function. Supports 24V operating power supply via line terminals and 5V from USB port, can be used indoors or at an outdoor industrial site. 1000mAH 3.7V rechargeable battery built inside, *Automatic stop of battery charging when battery is fully charged.. Output accuracy can be calibrated by user, precision 0.01V, 0.01mA output and LED display shows output signal value accurately. Adjustment step can be fine adjustment or coarse adjustment, switchable. Has short-circuit protection circuits and polarity reversal protection circuits in Brightwin signal generator. Refined user-friendly outer shell, refined precise encoder knob to adjust output signal, narrower size. Its standard output range is 0-10V, 0-20mA, user can adjust it to output -10V to -10V, 4-20mA, etc., output ranges. Output accuracy can be calibrated by user. Color: black + gray Material: plastic Package Contents: 1 * Signal Generator 1 * USB Cable (random color, do not accept the specified color) 4 * Alligator Clip 1 * Screwdriver (random color, do not accept the specified color) 1 * English Manual Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture to be a little different from the real thing. The allowed measurement error is +/- 1-3 cm. Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!