Home Smart Infrared Induction Detector Mini Wall Light Switch With 2 Motion Product Details 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. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.