Q:What\'s " Seller\'s Shipping Method"? A:if you buy current item separately,i will ship it to you via Hongkong post mail without tracking number.But meamwhile you buy other items and other items are shipped via China post air mail / Sweden post / epacket ,i will ship all items to you via China post air mail / Sweden post / epacket . Input Voltage:3-4.5V Output current:1050mA Suitable for LED of type voltage 2.8-4V It has anti-reverse function
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