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Product Description Overview Sonoff SV(safe voltage) is a low power supply Sonoff version,which supports 5-24V power supply. The power separation circuit enables it to control AC or DC power for the connected device, but you need to do some welding to realize this function. Sonoff SV has GIPO reserved to support secondary development.This version does not have 433 RF function and without shell. Sonoff is a low-cost, affordable device that help you to step into the amazing smart home.It is a WiFi wireless switch that can connect to appliance of different types and brands. Sonoff sends data to cloud platform through the WiFi Router, which enables you to remotely control all appliances with the App eWeLink on your smart phone. The server of Sonoff is AWS global server.Sonoff makes all your home appliances smart, as long as your phone has network you can remotely turn on or turn off your appliances from anywhere at any time. And by setting timing schedules for your appliances, you can maintain a carefree life. The App eWeLink enables you to control your devices easily. You can download the iOS version in App Store and the Android version in Google Play. 
Features Support 5~24V power supply Support fast configure SSID and password through APP. Support automatic connect to server, register and update status info. Support tracking device status and timely remote control through APP. Support setting max 8 single or repeat timing tasks each device Reserve GIPO to support secondary development. Support numerous WiFi smart switches one smart phone. 
WiFi Characteristics 802.11 b / g / n Built-in Tensilica L106 ultra-low power consumption 32-bit micro-MCU, dominant frequency support 80 MHz and 160 MHz, support RTOS Built-in TCP / IP protocol stack Built-in TR switch, balun, LNA, power amplifier and matching network Built-in PLL, voltage regulator and power supply management components, 802.11b mode 20 dBm output power A-MPDU&A-MSDU aggregation and 0.4μs guard interval WiFi @ 2.4 GHz, supports WPA / WPA2 safe mode Support cloud OTA upgration Support STA / AP / STA AP mode UART, I2C, PWM, GPIO Deep sleep maintain current is 10 uA, shutdown current is less than 5 uA Wake-up, connect and transfer data packets in 2 ms Standby power consumption is less than 1.0 mW (DTIM3) Operating temperature range: -40Celsius- 125Celsius Other parameters as follows 
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1. We accept Alipay, TT, WestUnion payment, etc. 2. Import duties, taxes and charges are not included in the item price or shipping charges. According to our experience, Custom check the parcels by random, about 0.5-1% parcels will be checked and may charge some tariff. 3. In order to lessen buyer\'s import tax or even exempt buyer from import tax, we shall declare the item with much less value than the actual price the customer paid for the item. 
Notification 1. Please list your special requests (power plug type, packages, value of declaration, etc.) in the REMARK when you make payment. The processing time for a specific order varies with the product type and stock status. Mostly, processing time can be 2 to 14 working days upon receipt of payment. 2.There are various packing materials available here. For different products, we work out the best and most scientific packing methods to protect parcels from any damages. 3. You will be notified by message in website with the tracking number once your package be shipped out. Delivery time shall based on different countries or regions around the world. 4. For package missed on the way to the destination, we would try best to contact with our shipment courier agency and update the latest information for you. However, there may be some delayed reply because of the time difference. Deliver Duration 1. Free shipping with duration for 20-35 days. 2. Fast Express Shipping with few extra cost: When you make order of the regular China Post Free Shipping items, you can also choose theexpress DHL/ FedEx/ UPS/ TNT service with few $US Dollars extra, please select the suitable courier as per your need. Please understand that sometimes we may change the courier from DHL to FedEx or others if your destination (delivery address) is on remote area without pre-notice. Return & Exchange 1. If we send the wrong style or the wrong color, we could refund you money or reship. Merchandise which is damaged or missing components is not refundable. 2. If the items can`t meet your need, we can also accept your return. The courier service freight should be paid by buyer. 
1. If you need some of the goods returned, please be sure to keep return goods and accessories intact. 2. You need to take all the necessary logistics costs Returns. Buyers are responsible for return shipping with proper packaging. 3. We will declare the parcel as a gift at low value to avoid problems at the custom. Before returning items, please make sure you get our (the seller`s) return address. Please use regular postal service and send us the tracking number. As soon as we receive the items, we will repair or exchange them ASAP. 4. If you need faster shipment, please choose the shipping way you want and pay extra cost. Or contact us in advance. 5. The picture as a result of the photography condition possibly has the chromatic aberration, if you are not sure about the colors, please contact us before you place the order. 6. If goods are damaged in transit, please keep all documentation and packaging and contact us within 7 days of receipt for returns instructions. 
Why Us? 1.What makes our store different from other online resellers? As a designer and manufacturer, we put the customer first and best quality OQC! A customer-centered shopping experience has always been our goal and we pride ourselves in our comprehensive policies that have put us in a realm above and beyond others. 2.Our products sold to over 187 countries and have a professional team specializing in design/manufacture/QC/ and overseas trading field. We know how to satisfy you! 3.Professional and fast order processing. 4.All merchandises and shipping address are double checked to guarantee that your order will arrive with correct contents in a timely fashion. 5.Exceptional Customer Service--Our knowledgeable Product Experts and Customer Service Specialists are available via e-mail, online chat, and telephone to ensure the ultimate quality in customer relations based on unparalleled professionalism. Give Us 5 Star Ranking to Support Us 1. Since your feedback is very important to our business`s development, we sincerely invite you to leave5 star rankingfeedback for us if you are satisfied with our product and service. It`ll just take you 1 minute. 2. Please don\'t hesitate to contact us if you have any questions or concerns before or after your purchase. We are committed to your 100% satisfaction. If you are not satisfied, please feel free to let us know, we will try our best to resolve the problem for you. 3. Our job is to make your purchasing be a worry-free experience. Thank you! Hope You Enjoy Your Shopping :) Product Description
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