Velleman MK169R FLASHING RED LED STAR KIT 35 LEDs select: flashing or static operation application: desktop or hanging from the ceiling multiple kits enhance the effect power supply: 1x 9V battery (not incl.) current consumption: 40mA (static mode) flash duty cycle: 1:2 dimensions: 3.54 x 3.54" THIS IS AN ELECTRONIC KIT THAT REQUIRES ASSEMBLY