LITROK DC 12V - 24V LED Digital Voltmeter + Dual USB Power Socket 5V 4.2A(2.1A & 2.1A) Charger For Car Boat Marine Rv Truck ATV Motorcycle Vehicles DIY Kit (Red LED)

Specification: Product Color : Black Light Color : Red Weight: 0.88oz(25g) Product Dimensions: 1.77" x 0.95"(4.5cm x 2.4cm) Suggested hole opening size: 1.42"x 0.83"(3.6cm x 2.1cm) Materail: ABS high temperature resistant fireproof and environmental protection material Power Input: DC 12V-24V Output Voltage: DC 5V Output Current: 4.2A?2.1A & 2.1A) Voltage test range: 6-30V Product Power: 110W Work temperature: -20?-80? Package included: 1 x Dual USB Charger with DC Voltmeter 2 x Blue Insulated Terminals kindly reminder: Confirm whether the voltage and current requirements are proper before charging the equipment Cover the lid when not in use to avoid dust and water enter the sockets This product is only suitable for 12V/24V vehicles only Do not operate this device while driving