Sampling Time: Fast/Slow 125ms/1000ms Overload indication: Shows “UN” and “OL” MAX/MIN Measurement: Shows “MAX/MIN” Data Hold/Backlight: Shows “HOLD” and turns backlight on or off Auto Power off: Automatically power off after 5mins without operation Low battery indication: 3.0-3.5V Shows low battery prompt when power is 3.0-3.5V Battery: 3 x AAA 1.5V batteries(Not included) Size: 150 x 52 x 27mm_x000D_ Weight: 116g