... is 50% energy saving more than other heaters, 30% thermal transition higher than other heaters.Features: Carbon fiber heating panels, new technology ... protection device, safe and reliableTwo thermal sensor probes, better for room temperature control, energy-saving and safeNo water, no oil, no ... centigradeLife time: 15-30 yearsRemark: more information, pls. contact us Portable infrared carbon heater