1measuring range0mgs199.9mgs 2frequency of the probe: 8mhz 3specification of the blood pressure cuff Range: no.1 4.2cm7.1cm No.2 5.4cm9.1cm No.3 6.9cm11.7cm No.4 9cm13cm No.5 12cm16cm ( no.6 :17cm22cm optical additional charge $15) 4 rechargeable battery voltage7.4v 1500mah) 5ac input: 100240v 50/60hz dc output dc8.4v1000ma 6continuous working time :> 8 hours 7speaker: 4¦¸, 1w Weight: 3.8kg Package: 45*35*23cm aluminum alloy box
