Comforatble custom Cool and Warm Mattress (HR-150)

The Multifunction Environmental Protection Cool&Warm mattress adopts advanced semiconductor cooling &heating chip and micro-computer temperature control system. To use wireless remote can control cooling, heating, tempering and timing between the temperature 21-48. What's more, It uses international standard safety voltage DC24V and DC12V, without power supply inside the mattress, to avoid electromagnetic radiation. Moreover, the Cool&Warm mattress is good for some illness like lumbar, hemorrhoids and ect. To enjoy it you will fell more comfortable and healthy.