Sell 12V To 5V Step-Down Module Waterproof Car Power Supply best price

Our products only provide product information or details, without technical support, buyers need to understand, thank you for your cooperation Notes/points to note ★ Introduction Red line: output positive (+) Black line: negative input and output (-) ★ This module has short circuit protection function, 5 a current automatic protection.(1)All of our items are as stated in their descriptions. (2)the items are 100% new,we offer the best product at the best price. (3)If the item you received is defective, please contact us immediately. (4)Please contact us before leaving any negative feedback or open a dispute on shopee. (5)Please give us the opportunity to resolve any problem.