Brand N/A Model RD05 Quantity 1 Color Multicolor Material PCB Specification Current / voltage meter measuring accuracy: 0.1%; Refresh speed: about 200ms one time; Display: double four 0.28 "digital tube; Current range: 0A~5A; Voltage range: 5V - 30V; Working current: less than 15mA; Display color: red; Storage temperature: - 10~+65'C; Input impedance: 50 milliohm. Features Adopting high quality LED which ensures clear display even in sunlight; Microcontroller sampling and voltage display for accurate and stable display. Application Safe charging for Li-ion batteries. English Manual/Spec Yes Packing List 1 x Charging module