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