Ameritop Motion Sensor Light Bulb- 4 Pack, 10W(60W Equivalent), 5000K Daylight Product Details PIR Infrared Motion Sensor - PIR infrared motion sensor is at the top of the bulb, the motion detector works like a small electronic eye that detects infrared waves?heat waves that radiate from moving objects. The LED light bulb turns on automatically once movement is detected within 12 - 18ft. It shuts off 30 seconds later after no activity in the detecting scope. No need to switch on/off physically, smart bulb frees your hands. Dusk to Dawn Sensor: Built-in a photocell sensor, the smart bulb automatically turns on at night (? 25lux) when movement is detected and off during the day (? 45lux) even with motion detected. It only turns on when the ambient light is dark, avoids unnecessary work in the daytime or when the ambient light is bright. The energy-efficient design avoids wasting of electricity. Lasting Energy Saving - With Aluminum heatsink to make sure that the heat comes out from the Lamp. This LED bulb lasts 10x longer than incandescent and 4x longer than halogen bulbs, saving you the cost of frequent bulb replacement. 10W equivalent to 60W traditional light bulb, providing 806lm saving 83% energy, the same enjoyment, sharply decrease your electricity costs. Bulbs are compatible with any standard E26 socket and recommended for Indoor use. Comfortable Lighting - This A19 led light bulb offers comfortable lighting with high CRI 80+ (color rendering index); At 5000K these bulbs deliver bright. It only lights up in the detective range at night or in the dark environment, energy-saving, environment protecting and long life, can be used in stairs, hallway, bathroom, front door, storage room, garage, closet, balcony, gate and so on. We suggest the bulb should be installed downward and no higher than 8 feet. Safety Reliable - Our Dusk to Dawn light bulb meets UL-Listed E33485, RoHS, FCC for outstanding quality. No flicker, no flash, No lead/ mercury/ UV / IR, that?s designed for the comfort of your eyes. We uphold the highest standards for all our products by testing each product for optimal performance and safety. The hassle-fee 3-year unlimited warranty provides you with our excellent after-sales service. 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.