12-42vac 19v 24v 25v 28v 31v 35v 36v 39v 41v ac dc power module 40v ac to 5v dc converter 1a2a3a step down step up power supply
USD 5.54USD 5.65
12-42vac 19v 24v 25v 28v 31v 35v 36v 39v 41v ac dc power module 40v ac to 5v dc converter 1a2a3a step down step up power supply