Everything works, heats. Power 10 W. Consumption at 5 V almost 2 amps. The timer works almost precisely.

with regulator. heat on max -temp on element above 42. this with regulator is better then simple one!

Heats right away. I arrived relatively quickly. I'm happy with the purchase.

Defective, seller returned the money, responsible store, recommended.

super seller! would buy again! will give all stars!