1. The Cigarettes Lighter Phone Holder supports trickle current maintenance charging mode. And it has over-current, over-voltage, short-circuit, over-heat, under-current, and under-voltage protection. 2. The Cigarettes Lighter Phone Mount is equipped with cold light indicator light, LED ice red light prompt design, and intimate lighting function, and easy to identify at night. Specification: Product material: ABS and PC/Silicone Input interface: car Tabaco lighter Input voltage: 12V-24V Mobile phone holder: suitable for 3.4 in Output voltage: 12V-9V-5V Output power: 18W*2 ports Output current: 12V(1.5A)-9V(2A)-5V(3A)*2 ports Product size: 290*110*70 (MM) Product net weight: 216G (including the box), bare weight: 184G Product List: 1* Cigarettes Lighter Phone Holder