DONGKER LED Flashing Tree DIY Kits Electronics Soldering DIY Module Soldering Practice Learning PCB Board Mini Star Flashing LED Cylinder Kit with 28PCS LED Yellow Dream Light Circle

Feature:     1>.28pcs highlight 5mm LED     2>.23 kinds display effects     3>.More than 10 random display modes     4>.Toggle Switch control flashing mode Parameter:     1>.Work Voltage:DC 4.5V~5.5V     2>.Work Current:500mA     3>.Work Module:Switch Control     4>.Work Temperature:-40?~85?     5>.Work Humidity:0%~95%RH     6>.Size(Installed):44*44*108mm Application:     1>.Training welding skills     2>.Student school     3>.DIY production     4>.Project Design     5>.Electronic competition     6>.Gift giving     7>.Crafts collection     8>.Home decoration     9>.Souvenir collection     10>.Graduation design     11>.Holiday gifts Installation Tips:     1>.User needs to prepare the welding tool at first.     2>.Please be patient until the installation is complete.     3>.The package is DIY kit.It need finish install by user.     4>.The soldering iron can't touch the components for a long time(1.0 second), otherwise it will damage the components.     5>.Pay attention to the positive and negative of the components.     6>.Strictly prohibit short circuit.     7>.This DIY installation is more difficult to be installed, please be patient until the installation is complete!!!     8>.User must install the LED according to the specified rules.Otherwise some LED will not light.