This pre-wired LED is Super small with resin cover to protect, with 10cm wired,Super strong LEDs and wire, </br>The wire is bendable, it easy to fix any shape as you like </br></br>You can connect with any 3V battery directly </br></br>All LEDs work in 3-3.3 Vdc </br>Do not need add any resistor, it can work with normal 3V battery (Example: CR 2032 battery, CR 2025, ..."3A X 2", 2A X 2 or any 3V battery , ) </br></br>If you want the LEDs work in other voltage,we provide below resistors in the package too </br>25 resistors (not pre-soldered) for 3.5~5V are included . </br>25 resistors (not pre-soldered) for 5~9V are included . </br>25 resistors (not pre-soldered) for 9~14V are included . </br></br>Specifications : </br>The LEDs size is : (length)06" X '03"(width) X 03"(height) </br>-Luminance intensity: 300 mcd / 120¡ã Viewing Angle </br>-Emitting color: White </br>-Forward voltage:3-3.3VDC Compatible. </br>(if you need the LEDs work in other voltage, please add resistor) </br>-Forward current Typical: 15mA or below; Max: 20mA </br>-Viewing angle:120¡ã Viewing Angle </br>Applications & Installations: </br>Suitable used in any small model, cosplay, small model building, Very low power consumption, and high luminous intensity </br>Recommended voltage is 12V </br></br>Package included : </br>25pcs pre-wired SMD LEDs (pre-soldered) with 10cm wire length </br>25 resistors (not pre-soldered) for 3.5~5V are included . </br>25 resistors (not pre-soldered) for 5~9V are included . </br>25 resistors (not pre-soldered) for 9~14V are included . </br>Search "bowerful led" for more related leds