WZRELB Reliable RBP-500S-LED 500w Pure Sine Wave Solar Power Inverter 12v 120v 60hz(Black) 500W continuous 1000W peak true pure sine wave solar power inverter, as good as grid power, power backup for home power supply. Transfer 12VDC to 120VAC, 60Hz frequency, dual US outlets. Intelligent temperature control cooling fan. Earth connection for both PCB board and output. High quality true copper inductance, filter the wave form, ensure the true pure sine wave AC output, safeguard your equipment. All big imported mosfets with strong driving capacity. The PCB thickness is 2.00mm, allow the stronger current floating on the circuit, increase the load capacity. High frequency transformer to transfer DC to AC, ensure the stable and full AC output Free standard input cables and spare fuse for replacement.