Product Name: Esp8266 Esp-01 Serial WiFi Wireless Adapter Module 5V to 3.3V PCB Adapters Model NO.: AA329 Trademark: KS Transport Package: Carton Specification: 20g Origin: Guangdong, China(Mainland) HS Code: 8529908100 Product Description ESP8266 ESP-01 Serial WiFi Wireless Adapter Module 5V to 3.3V PCB AdaptersFeaturesA adapter module for ESP-01 Wi-Fi module3.3V voltage regulator circuit and onboard level conversion circuit can make 5V microcontroller easy to use with ESP-01 Wi-Fi moduleAlso, the item can be used with Arduino UNO R3 or compatible boardWorking voltage: 4.5~5.5V (On-board 3.3V LDO Regulator)Working current: 0-240mAInterface logic voltage: 3.3V / 5V compatible(On-board level shift circuit)material: plasticColor: bluePackage Included:1 x ESP-01 Adapter Moduleonly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.Our advantages:FactoryOEM supportedShort time deliveryFlexible paymentAftersale service guaranteeHardware&software technicians supported Technician: We treat every piece of our product as our kid. Factory: well trained colleagues, over 200 people. Sales team: Strong&united sales team Warehouse: Well arrangement makes work happy&effective.Certificates FAQQ1. What is your terms of packing?A: Generally, we pack our goods in neutral white boxes and brown cartons. If you have legally registered patent,we can pack the goods in your branded boxes after getting your authorization letters.Q2. What is your terms of payment?A: Full payment. Goods would be shipped in 3-5 work days after payment received, finally depends on quantities.Q3. What is your terms of delivery?A: EXW.Q4. How about your delivery time?A: Generally, goods would be shipped in 3-5 work days after payment received, finally depends on order quantities.Q5. What is your sample policy?A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.Q6. Do you test all your goods before delivery?A: Yes, we have 100% test before deliveryFeel free to contact me if you have any question.