Color as shown material:pcb Package Contents: 1 x Battery capacity tester 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm. Battery capacity tester Discharge type 1.2-12V external load capacity and other test 18650 tools, single function, by controlling the load to turn off and get real-time comprehensive discharge current capacity results, the maximum support 15V 3A through the discharge voltage and 3A discharge current, does not discharge itself Power supply voltage: DC4.5-6V (Micro-USB interface); Working current: less than 70mA. Current support: maximum 3.000A resolution 0.001A. Maximum measurement error voltage: 1%+0.03V; Maximum current measurement error: 2%+-0.010A. Discharge voltage: 1.00V-15.00V, resolution 0.01V; Termination voltage range: 0.5-11.0V.