The Orein Smart Edison Light Bulbs, 2.4 Ghz Wi-Fi St19(58) Vintage, 4 Pack. Product Details ?Note?This product is 5.04" length and 2.28" width. Before purchasing the product, please confirm whether the bulb fits the size of your lamp to avoid unnecessary trouble. Besides, smart fillament bulbs are generally not compatible with dimmer switches, which may cause flicker and burnt out. If you want to dim the lights, you can use speaker or APP to adjust the brightness. ?Smart WiFi Edison Bulbs?Group control multiple smart bulbs with AiDot APP wherever you are, no need to worry about forgetting to turn off the LED ST58 edison bulbs. Keep your home safe and secure, even when you?re on vacation. Program timers or schedule to automate your entire smart home lighting setup via AiDot App. No Hub Required. (Note: Only support 2.4GHz) ?Hands-Free Voice Control?Smart light bulbs that work with Alexa/Google Home/Siri, you could also use Siri after setting up Siri Shortcuts in AIDOT App. Control your OREiN smart edison bulbs to turn on/off, dim or brighten via simple voice commands, creating a truly customized home lighting experience. ?Dimmable Tunable White?OREiN smart filament bulbs bring 2700k-6500k tunable light with the glass look and modern LED technology. Eamless dimming capabilities (5%-100%) via AiDot APP to suit any mood or decor, such as reading, work relax, night, leisure and more DIY scences you like. ?Energy Saving?Our 800Lm Smart vintage light bulb replaces 60W incandescent bulb with an advanced LED filament and superior quality, saving 90% on your electricity bill. Up to 25, 000 hours lifespan, it will last over 22.8 years (based on 3 hours per day). You won't need to constantly change your vintage LED bulbs anymore! No flicker, no dazzle, meanwhile really healthy to your eyes. ?Wide Application?OREiN LED filament bulbs can be widely used in table lamps, floor lamps and open pendant fixtures for your bedroom, living room, dining room or anywhere for home or commercial use. No waiting to warm up like CFL bulbs and High CRI of 90+ means brilliant realistic colors. Simply screw WiFi E26 edison bulb and set up via AiDot APP within a few steps. 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.