Fast Shipping On All Items 30 Days Money Guarantee Customer Support Excellent Service 100% Satisfaction Satisfaction Guaranteed Water Leak Sensor 4-Pack, Sms/Text, Email Push Notifications, Lora up to 1/4 Mile Open-Air Range, W/Alexa, IFTTT, Home Assistant Specification Item model number YS1603+4YS7903 Part Number YS1603+4YS7903 Batteries Required? Yes Power Source AC/DC Brand YoLink Color White Control Method App Product Dimensions 4.33"L x 4.33"W x 1.06"H Country of Origin China Battery Cell Type Alkaline Compatible Devices Desktop Item Weight 1.34 pounds Batteries 8 AAA batteries required. (included) Batteries Included? Yes Style 0 dB Voltage 3 Volts Number of Batteries 8 AAA batteries required. (included) Manufacturer YoSmart Maximum Range 1000 Feet Included Components Batteries 4.33 "h x 4.33 "h x 1.06 "h. Weight: 1.34 lb Item Description "SMART WATER STARTER KIT" YoLink Hub Leak Detection Starter Kit, including one hub and quantity four Water Leak Sensor 1. Hub supports ethernet and/or WiFi (2.4GHz, only). Connect to your router's ethernet port for our "Plug, Plug Play" easiest set-up - be up and running in just minutes! SET IT FORGET IT! Installs in seconds! The YoLink wireless Water Sensor could not be easier to install; just place near or under the equipment you wish to monitor. Suggested uses are near or under, toilets, water heaters, laundry machines, dishwashers, sinks, fish tanks, in or near sump pumps, and by any other location subject to water leaks and flooding. EXTREME LONG RANGE! Powered by LoRa technology, the long-range yet low-power system offers the industry?s longest receiving range in the market (1/4 mile). Our long-range coverage enables its use in areas challenging for most residential Wi-Fi systems, such as basements, outdoor porch/patio areas, sheds, free-standing garages, even remote outbuildings on your property. NO WIFI, NO INTERNET, NO POWER? NO PROBLEM! Our patented Control-D2D device-to-device pairing, over our LoRa-based wireless network, allows for devices to be paired to each other, in such a way they will continue to operate, even if WiFi is flaky, the internet goes down, or the AC power goes out! UNLOCK YOUR SMART HOME! The YoLink Hub can support more than 300 devices and is compatible with the entire line of YoLink smart products, including security, environmental, power lighting, smart locks, and cameras (coming soon!). Requirements ? Android or Apple smartphone, Ethernet with internet connection or stable WiFi connection (2.4GHz band). App is always free, with 5 free texts per device, plus 5, per month (this kit provides 20 free SMS per month, with more 200 or 500 more available per month for 2 or 5 dollars per month, respectively). BATTERIES INCLUDED! Eight replaceable AAA batteries, good for over 5 years, are included! Product Description 1 The Hub - Overview 2 Unlock Your Smart Home 3 Plug, plug play! 4 Specifications 5 Qs As 1 Water Leak Sensor 1 Intro 2 Get to know your WLS 1 3 Get to know your WLS 1 4 Get to know your WLS 1 5 Get to know your WLS 1 1 TOILETS, SINKS VANITIES 2 LAUNDRY MACHINES 3 SIMILAR PRODUCT 4 SMART SUMP PUMP 5 SMART TOILET 1 That Was Easy! 2 No WiFi Worries 3 Carefree 4 Start Smart! 5 Don't Just Detect! 1 Longest Range, by Far! 2 Emergency Operation 3 Economical 4 Easy DIY Installation 5 Extensive Product Line 1 Phone Push 2 Email 3 SMS / Text Message 4 Automated Phone Call 5 Device Action 1 Elder Care 2 Life Safety 3 Smarter, Safer, Bathrooms 4 Wander Prevention 5 Smart Fobs Return Policy ? We guarantee against any defective or misrepresented products. The original shipping label must be sent back to us to validate the return. A full refund can only be issued during the first 30 days upon receipt of the product. ? Returns will be voided if the product is mishandled or physical damaged by customer. ? Buyer will be responsible for all kind of return shipping/shipment to the seller for resolving the problem. ? Returns made for all non-defective, undamaged products are subject to a 15% restocking fee. Shipping and handling fees are absolutely non-refundable. If an item is returned to us due to an address issue, we do charge a reshipping fee to reship. If you would like a refund, there will be a 15% restocking fee applied. ? All returned products need to be assigned an RMA # (Return Merchandise Authorization #) prior to return. Please contact us through's messaging system to obtain an RMA# for the return. Any returned product without an RMA # on package will not be accepted or processed. ? Please contact us before returning. Feedback ? We appreciate your feedback and our system will automatically leave feedback for you after bid ends. ? Please contact us through message center if you have any problems, we will always try our best for 100% customer satisfaction. Payment Options Shop With Confidence