Pure sine wave inverter, 1200 W 12 V / 24 V. Designed to transform the battery voltage from 12 V to 24 V in pure alternating current 230 V, this sine wave inverter guarantees the reliable operation of electrical devices up to 1200 W with the vehicle battery. Integrated protection circuits prevent damage from overcharging, overheating, dovra and undervoltage. automatic standby saves energy.