Strongly Built: Durable aluminum alloy housing provides advanced protection from drops and bumps. Integrated cooling fan helps reduce heat and prevents shortages. 18-Months Warranty. Safe For Equipment And Batteries: Built-in 40 amps fuse, protection against short circuit, overload, overheat, low voltage and over voltage; An automatic low-battery shutdown ensuring sufficient power available to start your vehicle. Ultra Compact and Lightweight: iPhone-sized design for space-saving and easy to store at your glove box or armrest box, 24 inch cigarette lighter plug makes the power inverter can be plugged into almost any vehicle. Multifunctional: With 230V AC sockets and 4.2A dual USB ports, this DC to AC inverter will safely power your TV, air mattress pump or simply charge your laptop, phone, iPad, tablet, camera, PSP, etc. to ensure you stay connected with the world while traveling. A Real Powerful Inverter: BESTEK inverter provides 300 watts continuous DC to AC power with UK AC outlet and 2 USB charging ports. ideal for use at campsites , road trips or anywhere dc to ac inverter is needed.