There is not much difference between q3 and q 1 of Haier electric water heaters: Q 1 and Q3 series electric water heaters have three power options, Q 1 is electronic, Q3 is knob, and the operation modes are different, Q 1 is mechanical and Q3 is electronic. The power is similar. Q3 multi-delay reservation function. Generally, boiling water takes less than half an hour. The product capacity of Q 1 is 80L and Q3 is 50L. Product size: Q 1: 837 * 444 * 490 mm Q3 is 813 * 370 * 414mm; Product weight: Q 1 is 26kg Q3 is 20kg；; Other properties: Q 1 is an Ingrid stainless steel heating pipe, with super-large high-purity magnesium rod; Q3 is an early warning technology for electric wall safety, which is specially developed for China's national conditions to solve the safety problem of water heaters and ensure the safety of bathing. 360-degree omni-directional thermal insulation technology and super-thick thermal insulation cotton can effectively avoid heat loss and truly realize omni-directional three-dimensional thermal insulation.