[Wifi+Bluetooth Dual Mode]Connect to faster. connection speed is 3 times faster than WiFi single mode, and WIFI+Bluetooth dual mode is more stable and faster [Water Leak Alarm] When the water level exceeds the sensor, an audible and visual alarm will be issued immediately (this function is the default) [Double-sided contact detection] The upper cover probe can detect water leakage and drip alarm, and the lower cover probe can detect water overflow and alarm. [Low water level alarm] The sensor will immediately send out audible and visual alarms when the water level is lower than the sensor. [Sound and light alarm] 80DB sound alarm and red light warning to remind you of water leakage or low water level [APP remote control] Remotely receive alarm push notifications at any time through the mobile APP [Sharing function] Share with family members for joint control [Low battery reminder function] The product uses 2 AAA batteries (not included). When the battery power is low, the phone will remind you to change the battery. [parameter] 1. Battery: 2*AAA (not included) 2. Maximum volume: 80DB 3. Working temperature: -10-50 4.Wifi type: 2.4GHZ 802.11b/g 5. Application: Smart Life 6. Standby current: 100a; 7. Alarm current: 150 mA; 8. Alarm output: water leakage report/low water level report; 9. Application: Smart Life Due to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use Colour:White Material:plastic Package Contents: 1 x Water Leak Sensor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.