General description Round voltmeter ammeter for real-time monitoring of vehicle batteries, helping to remind you to charge or replace them in time, thus avoiding dead batteries when starting the car engine. This dual ammeter voltage gauge is suitable for most 12-24V vehicles, including motorcycles, UTVs, RVs, and marine boats. Technical specifications Measuring Voltage: DC 12V-24V Super large input: up to DC 60V Size: 37x37x32mm Interface Type: Anode and Cathode LED Display Color: Red Material: Environmentally friendly and flame-retardant plastic Weight: Not specified Other information Package Contents: 2 x Voltage Ammeter Note: Light reflection and different displays may cause the color of the item to differ slightly from the real thing. The measurement allowed error is +/- 1-3 cm.