DC 2 Wire 3 Bits Digital Voltmeter Voltage Tester 0.36 Inch LED Panel 4.5V-30V
High input: DC 30V. Input impedance:> 100K Ohm. Display mode: three-digit 0.36″LED digital tube. Working current: <23mA. Allowable error: +1%; when greater than or equal to 10V, the error is +0.3V; when less than 10V, the error is +0.10.