30 days return. Buyer pays for return postage. If you use an eBay delivery label, it will be deducted from your refund amount.
Condition:
NewNew
DFRobot type SEN0232. Simple conversion: linear analogue output, 0.6 to 2.6V linear correspondence 30 to 130dBA, no complex algorithm is required. Easy to use: plug and play, without soldering. Power 3.3 to 5.0V.