Test : 2~200V; Working current: 0.2~20A DL24 discharge power: * current Less than 150 W; DL24P discharge power: * current Less than 180 W The actual working current is limited by the maximum power, adjust according to the of energy saving. Built-in over-current, over-temperature, over-power safety protection function, if the protection interface up, note that after the parameter adjustment, it should be adjusted to the maximum power discharging , You can slowly adjust the preset value during -up and discharge to adjust it to the maximum discharge power Four operating modes 1. Constant current operation (CC) 2. Constant resistance operation () 3. Constant power operation () 4. Constant operation (CV) Three protection 1. Overload protection 2. Overcurrent protection 3. High temperature protection color:As shown Material:Metal Package Contents: 1 x DL24P color display bluetooth digital display version with tester 1 x DC12V 1A power supply 1 x USB cable 1 x Temperature Probe 1 x Red and Black Single Wire Alligator Clip Cable Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.