ITEM NAME:Dual Display DC-DC 5-23V to 0-16.5V 3A Max Step Down Power Supply Module #gib Store Home Promotion Hot Item Add to Fav.This product does not have such problems. Short circuit protection: none (do not short circuit). Elegant acrylic shell. Accuracy: 1%, three digit display, current unit: A. Anti reverse input: Yes. Add to Fav.