Features 

• Easy to Use!
• Diagnose Battery Problems Yourself
• Test Before Long Trips & On the Road
• Great for those Long Winter Months
• Easy to Read Digital Display
• Modern European Design, Lightweight & Durable
• Safe & Simple to Use –Just Point and Read
• Compact for Easy Storage

Measures Voltage 

• Car 12 Volt Batteries, Truck 24 Volt Batteries, Hobby Voltage Useful for Alternator Testing
• Voltage range: 7.5 - 32Volts/DC 
• Accurancy +-0.1V
• 3 digits, 21mm Red Digital Display