Taiss Photoelectric Beam Sensor E3Jk-R4M1 Indoor Wall Mounted 12-240Vdc Product Features Special attention?If you are not clear about the product connection method, please refer to the wiring diagram of this product.If you receive a switch that is incompatible with your application or does not work properly, please contact us by email in time, and we will solve your problems for you. Output Current: 2A? Detection distance: 3m? Response Time: 30ms? Induction Frequency: 200HZ. Body Size: 2.00x1.98x0.75 inch ; Weight: 185g.Special note: If this photoelectric switch is used to control the alarm system, please install it together with the relay. Otherwise, the switch will not work. Modle: E3JK-R4M1? Relection Type: Specular Reflection? Supply Voltage: 12-240VDC 24-240VAC?Load Rating: 3A 250VAC.Indicator Light Color: Red? Current consumption: 15mA? Working temperature: -25-55 degrees. Package Content: 1 x Photoelectric Switch, 1 x Reflector Panel, 1 x Mounting Bracket(with screws,nut).If you have a problem with the knob you received, please contact us by email in time. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!