Specifications: Input interface/Output interface:100A large current occluding screw column Voltage testing range:0.00V~200V;Resolution accuracy:0.01V Current testing range:0.00A~20A;Resolution accuracy:0.01A Capacity accumulated range:0~999.999Ah;Resolution accuracy:0.01Ah Electricity accumulated range:0~9999.9Wh;Resolution accuracy:0.01Wh Power measurement range:0000.00~150/180 W;Resolution accuracy:0.01W Impedance measurement range:1~999.9 ohm;Resolution accuracy:0.01ohm Temperature measurement range:0~99¡æ,0~99¡æ;Resolution accuracy:1¡æ Timing the max time:999 hours 59minutes 59 seconds;Resolution accuracy:1s Timing testing alarm setting:count down 24 hours Arbitrary setting value Small current standby alarm threshold parameter and timing: 0.5W begin timing 4~30V voltage provides electricity for testing system Refresh time:>500mS/times;> 500mS/times Testing speed rate:about 0.5 times/s Over voltage over current setting alarm method:display warming interface alrm users Over voltage warning setting range:1~200V Low voltage warning setting range:0~190V Over current warming setting range:0.2~100A Maximum power: 180W (more than 180W will send a quick alarm to cut off the output current and protect the product) Working temperature:-10~+60¡æ; -10~+60¡æ Working humidity:10~80¡æ (no condensation);10~80¡æ(no doubt) Working gas pressure:80~106kPa - When the power is > 0.5W, the time will be calculated. Size:15.6 x 13 x 9.6cm/6.1 x 5.1 x 3.8inch Package Included: 1 x 180W USB Mobile Power Tester 1 x (US Plug) 2 x clip cable