3 in 1: USB Charger + LED Display Voltmeter + LED Display Thermometer

Features:
Unique cigarette lighter design. Plug and play.
12-24V voltage universal for car，SUV， ATV， truck， tractor， boat and bus， etc.
2.1A output current， can charge for iPod， for iPhone， for iPad， for GPS and NAVI.
LED digital display can indicate vehicle battery voltage from 8V to 36V.
LED digital display can indicate the temperature in car from -10℃ to 80℃.

Specifications:
Brand: WUPP
Material: ABS
LED display color: red， blue(optional)
Display mode: temperature / voltage (dispaly in turn）
Input voltage: 12-24V
Output voltage: 5V     
Output current: 2.1A
Measurement of voltage: 8-36V
Measurement of temperature:-10℃-80℃.
Package size: 13.1 * 8.2 * 4.2cm / 5.2 * 3.2 * 1.7in  
Package weight: 39g / 1.4oz

Package List:
1 * Voltmeter