Stable performance: Use ceramic constant temperature heating technology to continuously output heat and automatically work at constant temperature Long service life: 7x24 hours of uninterrupted work, continuous supply of heat source life of more than 50, 000 hours protection: and temperature resistance, long-term in <95% humidity environment Quick response: quickly converts electrical energy into heat energy after power-on, which is conducted to the surface of the aluminum for shell within 10S, and needs to be used with a fan and