Applications:

• You can constantly monitor battery voltage of Cars/SUV 12V ,Trucks/Buses 24V
• Universal USB charger
• In-Car Temperature Measurement -9 ~ 80?

Compatible With:

• Suitable for 12V and 24V vehicle systems
• It can charge all devices that require 5.0-5.1V DC like:
• Samsung Galaxy S3, S4, S5, S6, S6 Edge, S6 Edge Plus
• Galaxy Note Edge, Note 3, Note4, Note 5 etc
• iPhone 3G, 3GS, 4, 4S, 5, 5c, 5s, 6, 6 Plus, 6s, 6s Plus
• iPod, Gps, MP3, MP4 etc
• HTC, LG and many other cell phones
• Digital Cameras and tablet PC operating on 5v DC

Specifications:

• Input Voltage: 12-24V DC
• Output Voltage: 5V DC
• Output Current: 2.1amp
• Power: 3W
• Temperature Measurement Range: -9 ~ 80?
• Size: 5.5 x 5.5 x 8 cm (LxWxH)
• Weight: 30g
• Material: ABS

Features:

• USB output, Built-in Fuse
• Freeze Alert
• Interval of 10 seconds shows the Voltage and Temperature in turn.
• High brightness LED digital display

Package Includes: 1x 3-in-1 Car Voltmeter/ Thermometer/ USB Charger