SL. No. Model No. Power Voltage Head Maximum LPH Output1 HJ211 2W 220-240 V50HZ 0.45 M 200 LH2 HJ311 2W 220-240 V50HZ 0.6 M 300 LH3 HJ541 5W 220-240 V50HZ 0.8 M 400 LH4 HJ741 8W 220-240 V50HZ 1.0 M 600 LH5 HJ941 16W 220-240 V50HZ 1.3 M 800 LH6 HJ1541 28W 220-240 V50HZ 2.0 M 1400 LH7 HJ1841 40W 220-240 V50HZ 2.5 M 1800 LH