Frontage x Depth x Height (mm): 308 x 106 x 232 ? Capacity (L): 1 ? Mass (kg): 0.807 ? Power supply: Single-phase 100 V (battery rechargeable) ? Dissolved hydrogen concentration: 700~1200ppb ? Recharging time: Approx. 1 hour (can be operated continuously for about 1 hour with a full charge) ? Product number: KPL3001 ? Catalog code: 8-1400-1201