I'm selling this because I haven't used it much. Operation confirmed (it works). As shown in the third picture, it can stand up. It runs on 2 AAA batteries. Instant purchase is OK. KORG MA-2 Digital Metronome, tempo 80 BPM adjustable, battery-powered. - Brand: KORG - Model Name: MA-2 - Function: Digital Metronome - Setting Range: Tempo 80 BPM - Power Source: Battery-powered - Design Features: Compact black and red design Thank you for looking.