1 pack x led down lights (usb powered brick warm white led), compatible with lego bricks or major brand bowerful bowerful applications & installations: </br></br>easy install, not skill , put the brick leds inside your brick or model , and then switch on , and finish </br>led ""six in one"" down lights 6 brick led with usb powered, with remote controller </br>fantastic item to light up your brick sets. </br>just need to connect with any 5v usb battery or 5v power bank or computer usb </br></br>timer function </br>when you press the "timer" in controller that you can let the leds work 6 hours. and then turn off 18 hours </br>(so, please press the "timer"at nightfall) </br>so, it can let your brick or castle or any model light up at night only & rest at daytime, one day later ,at nightfall, the light module with light up automatically </br>please be noted that the timmer function is a fix function, just can make 6 hour on, and other hour off) </br>(can not adjust light up hours) </br>information about the usb brick light module </br>1. super bright leds(brightness increase 47%) </br>2. brick light from 4 upgrade to 6 bricks </br>3, funtional remote </br>4,. super thin wire(awg 33 wire, diameter is arround 0.2-0.3mm) </br>5. each wire is 20cm(8in) length </br></br>function about the remote control </br>7 flashing mode you can select </br>dimmer function </br>adjust brightness as you like </br>package included: </br>1 set of led ""six in one"" down lights led), 1 usb connector </br>1 pc remote controller </br>(5v usb power supply not included)