3 in 1 AC 60 500V Digital Voltmeter Ammeter Frequency Meter Panel Size 22mm
Hertz range: 0-99Hz. Panel size: 31 31mm/1.22 1.22in. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Quantity: 1 set. Color: red/white/blue/green/yellow.