Made of high quality ABS and metal material, it is solid, durable and good performances, serve you for a long-term. 0.5-6L/minutes, high efficiency, stable performances. G 1/4" fast connection interfaces, easy to install. Suitable for water dispenser, water heater and so on. Product Parameters:Start water flows: Less than 0.20L/minutes;Starting water pressure: Less than 0.1Mpa;Working flows range: 0.5-6L/minutes; Pay attention to clean the air impellers on the residual water when the output signal is not highers than 150HZ, idle for time should be 30 seconds. Bearing water pressure: up to 0.8Mpa;Operating voltage range: 3.5-12VDC;Operating current: 0.51.5MA;Working environment temperature: 1-100;Applicable environment temperature: -40-100;Output characteristic: (32xQ)Q for traffic L/minutes, Hz (Hz); Error ±3% Service life: 106H; Electrical strength: Over 600VAC, Durations of 5S leakage current 3mA Insulation resistance: Over 100mΩ, The insulation resistance between the connector and the housing body or the valves body. Color: White Material: plastic Package Contents: 1*S402B Water Flow Sensor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.