Introduction: A smart water detector with a built-in siren, detects the presence or absence of water and displays the status on the YoLink app Note: For water detection, only, without an integral siren, consider our original Water Leak Sensor 1 REQUIREMENTS: YoLink Hub with an internet connection (wired Ethernet or 24gHz Wi-Fi) Please search B07TQLKQLJ for the Hub Smartphone or tablet running iOS 9 or higher, Android 44 or higher TEcHNIcAL SPEcS: Power: 2 AAA batteries (3V Dc) Dimension L x W x D]: 244 x 244 x 080 inches (8306 x 3099 x 1499 mm) Water Sensor Probe: 3 feet (1 meter) Operating Temperature Range: 32AF - 122AF (0Ac - 50Ac) Operating Humidity Range: =95%RH non-condensing Intended for indoor use only APPLIcATIONS: Place the YoLink Water Leak Sensor 2 anywhere that is at risk of high moisture or water, due to leaks or flooding Use the YoLink smartphone app to remotely monitor the status of your water leak sensors in your home, rental property, condo, summer home, or business (internet connection and YoLink Hub required) YoLinkAs industry-leading long-range communication allows for placing the sensor in your barns, separate garage building, greenhouse, etc Some common applications include: Locations at or below grade, subject to water incursion Basement floors Near sump pumps Under sinks Next to the toilets Under or near laundry machines Under dishwashers Under refrigerators & ice machines Under fish tanksaquariums Inside hot tubs* *Refer to device environmental limitations in Technical Specs, above Use this device outside the recommended ranges at your own risk warranty may be voided, etc PAcKAgE cONTENTS: (1) YoLink Water Leak Sensor 2 (batteries included) (1) Water Sensor Probe (1) Quick Start guide