Volta Lumen OÜ Tööstuse 47, 10416 Tallinn telephone: +(372) 6 120 673 fax: +372 6 120 660 info@voltalumen.com   Development manager: Madis Reivik: madis@voltalumen.com Development engineer: Martin Raska: martin@voltalumen.com System engineer: Marek Pallav: marek@voltalumen.com Component engineer: Ivo Hinrikus: ivo@voltalumen.com Accounting department: raamatupidamine@voltalumen.com