Good quality,favorable price,best service You can find what you want after contacting with us. Performance Permanent Magic motor driven Designed stroke: 50 100 150 200 250 300 350 400mm or customized .Idling Speed: Max30mm/s,Standard speed: max15mm/s,Working Manner: 10%.Ambient Temperature: -26°C~65°C under IP48, embedded un-adjustable switch Noise Level: Under 48dB(A);Testing standard: According ...