intelligent anti-burning/automatic identification/true effective value. Start machine and measure, no need to change gears - automatic identification of voltage and resistance on and off, higher measurement efficiency; full-gear automatic range, no need to adjust gear to measure. Hard core internal, powerful computing hard plastic chip - ultra-fast sampling rate 3 times per second, speed and accuracy are both improved. True effective value, 4000 counts - 4000 digital display, unlimited measurement. Overload protection does not burn meter - full range intelligent burn-out protection to protect measurement. One-touch data retention, capture instant readings - short press to retain data. Colour:Blue Material:ABS Package Contents: 1 set * multimeter Only above package content, other products are not included. Note: Light reflection and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +/- 1-3cm.