Troika Micro Construction Keylight Pen & Key Ring [discontinued] Colour_Black / Grey You still need a 5VDC

You still need a 5VDC power supply

The board uses high-quality North American-sourced parts and features a boatload of isolation routing

x1 Electronics Component Kit

The Bluetooth Low Energy technology has made it easy and achievable

turning the fixing for you either on demand or automatically via your own wrist motion

Troika Micro Construction Keylight Pen & Key Ring [discontinued] Colour_Black / Grey You still need a 5VDCAdd to your growing collection of awesome Troika writing hardware with this compact 'take everywhere' keylight pen. Troika's Micro Keylight Pen & Key Ring is part flashlight and part micro ballpoint pen combined in one compact and portable key ring. Two sides of the 6 sided barrel have a ruler printed on it, one in centimetres and one in inches. It's great for multitasking and is part of the Troika Construction Series, combining functionality with