CASIO SE-C3500

Dimensions : 450mm (L) x 400mm (W) x 213mm (H)
No. of PLUs : 7,000
Power source : 100V to 240V.
No. of RS232C ports : Primary battery: 2 x AA size alkaline batteries / Data storage period: 1 year (at 25 degrees C) / Battery life: Replace every year