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Used books may not include companion materials, and may have some shelf wear or limited writing
It also increases a persons risk of throat cancer, and a lasting sore throat can be a symptom of the disease

Product Description Cigarette Lighter USB Socket Voltmeter ON OFF Switch Combination Panel 12-24V input voltage, widely used for 12V-24V cars, RV, caravans, trailers, buses, oats, yachts, marine etc Dual USB charger port for meet your various charging needs, fast charging for Android mobile phone, GPS navigation, camera, etc Built-in voltmeter, can real-time monitor your vehicle's voltage, more convenient and safe Cigarette lighter socket with seal cover, dust-proof and waterproof ABS/PC/PBT environmental protection and flame-resistant materials, can be used in an environment with -25C to 60C temperature Specifications: Material: ABS + PC + PBT Item Color: Black Light Color: Blue, Green (optional) Input Voltage: DC12V/24V Output Voltage: 5V Output Current: 3.1A Voltmeter Measurement Range: 6-30V Protection Grade: IP66 Size: 10.5 * 8.5cm/4.1 * 3.3in Package Weight: approx.151g Fitment: Universal Q1