KlikAanKlikUit TPC-300. Width: 70 mm, Depth: 95 mm, Height: 26 mm. Battery technology: Alkaline, Battery type: AA. Certification: IEC 60950-1:2005 (2nd ed)/EN 60950-1 (2006+A11:2009) EN 301 489-1 V1.8.1 (2008-04). Cables included: USB. Operating frequency: 433.92 MHz, Compatible operating systems: Windows, Power requirements: 3V