Cleaning head8/12 wash heads Cleaning frequency0-255times Strip washing1-12 wash strip Vibration plate featuresvibration plate speed 1-5 grade, time 0-225 seconds Soaking time0-48 hours Allocation accuracy3% at 300ul Residue volume1ul (the average per hole) Washing channels1-4 (standard one -channel, 2, 3 or4- channels are optional) Washing lotion volume50ul-2000ul(12-pin) or 50ul-3000ul (8-pin) Power supplyac220v22v, 501hz