With die-cast heating element Automatic safety shut-off with thermal fuse Ideal for heat preservation Made of iron Easy to clean,Compact and portable Diamenter:180mm AC220-240V/110V 50-60Hz POWER:1500/1000W, N.W:2.5KG G.W:2.8KG Quantity(20’):2904 Quantity(40’):5808 Quantity(40HQ’):7314