Atmega32u4 @ 8 MHz native USB support 24 BrightDot addressable RGB LEDs (WS2812) ON/OFF switch reset button 1 user button 1 user LED PCF8523 RTC clock 10 GPIO sewable contacts and alligator clip friendly charging indicator LED RX/TX LED indication LEDs are mounted in a clock form free Arduino library included: an easy to use battery holder for 3 AA batteries (batteries not incl.)an easy to use battery holder for 3 AA batteries (batteries not incl.) USB 2.0 A to micro USB cable size: diameter: 8 cm (3,15 inch) height: 9 mm (3,54 inch) power supply: USB or battery powered max. battery supply voltage: 6 V current consumption: min. 20 mA, max. 1 A (when all RGB LEDs are on, software limited) battery or USB pass through output: max. 1 A (depends on battery and USB capacity) CPU speed: 8 MHz

2 x tenfold BrightDot strips integrated backup line (this ensures that one broken LED does not affect the next LED) each PCB has gold plated contacts with 6 sewing holes of 1.22 mm soler or sew them! max. current consumption: 60 mA / LED at full brightness power supply: 3.3 V - 5 V dimensions (L x W): 60.5 x 6.5 mm (2.38 x 0.25 inch) PCB thickness: 2.1 mm (0.082 inch) required: or other Arduino compatible development board

2 x left BrightDot corners 2 x right BrightDot corners integrated backup line (this ensures that one broken LED does not affect the next LED) each PCB has gold plated contacts with 6 sewing holes of 1.22 mm solder or sew them! dimensions (L x W): 14.25 x 6.5 mm (0.56 x 0.255 inch) max. current consumption: 60 mA / LED at full brightness power supply: 3.3 V - 5 V PCB thickness: 2.1 mm (0.082 inch) required: or other Arduino compatible development board

1 x large BrightDot circle integrated backup line (this ensures that one broken LED does not affect the next LED) each PCB has gold plated contacts with 6 sewing holes of 1.22 mm solder or sew them! max. current consumption: 60 mA / LED at full brightness power supply: 3.3 V - 5 V diameter: 69 mm (2.7 inch) PCB thickness: 2.1 mm (0.082 inch) required: or other Arduino compatible development board