NEW Omron D4NL-1CFA-B Guard Lock Safety-Door Switch. Be sure to verify your address before making payments, Be sure to fill in your mobile number. All our product will be checked and packaged in good condition before send out. YOUR POSITIVE COMMENT MOTIVATES US OFFER BETTER SERVICES, TNANK YOU! We must give you a satisfactory solution. Please notify us within 60 days after item received. Return items MUST have all ORIGINAL packaging and accessories. We will replace items which are malfunctioning, for 60 days from the date you received. If you do not very satisfied with our items, while before any negative or neutral feedback. 99% problem will be solve with communication. We will be very grateful. We will try our best to offer better and better services. Thank you for your business and kind understand. Please feel free tocontact us in time if you have any questions.