Check the listing for details. 50pcs, 3mm Dual Bi Color Polar Changing Red/Green Led Diffused Leds + Resistors. Condition: New. Listed at 4.99 USD. vivid_87 store This is for 50pcs 3mm Dual Bi Color Polar Changing Red/Green Diffused Led + 50pcs 1/4W 470ohm resistors for 9v ~ 12V DC Color: Red and GreenWhen input current "+" and "-", Red lightedwhen input current "-" and "+", Green lightedForward Voltage for Red: 1.8V ~ 2.2V DCForward Voltage for Green: 3.0V ~ 3.4V DCWavelength for Red: 620 ~ 625nmWavelength for Green: 520 ~ 525nm Forward Current: 20mALens Color: Milk-WhitePin Length: 28.5mm and 26.5mm SHIPPING: We ship to worldwide.package will be shipped out within 24 hours after payment received or cleared. Shipping time: USA: ship by SpeedPak, 8-12 Working Days CANADA/East Asia/South Asia/Australia/New Zealand: 10-15 days (Weekend/Holidays Excluded) United Kingdom/France/Spain/Portugue/West & North Europe: 10-20 days (Weekend/Holidays Excluded) Italy/Africa/South America/Middle America: 15-30 days (Weekend/Holidays Excluded) We can also provide express post by Fedex or DHL (3-6 Working days). The cost is higher than standard postage, extra shipping fees is needed. if you need express post, please contact us ! RETURN POLICY: we accept return for replacement or refund. FEEDBACK: We greatly appreciate your positive feedback and will do the same If you have any problem, please firstly contact us, and we will solve it for you.