– Replacement voltmeter panel for most common generators. – Model No: 91L4 – Measuring Voltage Range: AC 0-300V – Accuracy: Class 2.5 – Meter Face Size (Approx): 4.5 x 4.5x 1.1cm (2″ x 2″ x 0.4″) – Thread Dia (Approx): Big One: 0.38cm / 0.150″ Small One: 0.28cm / 0.110″ – Overall Depth : 3.6cm / 1.4″