2Pack Motion Sensor Light Switch 100-240V 40W Pir Human Body Activated Led Product Features Motion Sensor Switch working voltage :100-240V ; Load Power :?40W ?the load power must be under 40W?? Best sensing distance:2-6M ;Installation Height:?3.5m; Recommended Installation Hole:?20mm Infrared sensor switch has feature of small size , lightweight,energy-saving and lowheat . Easy to install and operate in room or cabinet, plug and play. The sensor switch can be embedded or surface mounted .It is perfect for using snesors in home corridor stairs basement. Motion sensors will turns lights ON in the dark when human enter into the induction range and Off after 45S if the motion is undetected .It only work in night or dark .It is suggested that sensor installation height is about 3.5m;Best sensing distance is 2- 6M;Induction angle is front 110 We designed the link terminal on the sensor switch, the sensor can be plug and play after the wire is connected, and it is also convenient to replace. Please see the product picture for the wiring diagram. Widely Suitable for auto lighting corridors, stairs , bathrooms, basements, warehouses, garages,closet, advertisement light .In addition to control of LED lights, it can also be used to control exhaust fans, doorbells or other devices. 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!