What's in the box:

eWeLink 433MHz Wireless Water Leakage Sensor Water Leaks Intrusion Detector Alert Water Level Overflow Alarm for Home House Security Alarm System (Standard)

Overview:
The water instruction sensor can work with Sonoff RF Bridge 433, alarm system, etc.
When detecting water overflow, alarm notification message will be immediately sent to the APP.

Features:
*Can be equipped with wireless host. Installation by double-side adhesive, easier and convenient to install.
*433MHz frequency, wireless transmission is more than or equal to 200 meters in open place.
*When the two feet of the detector was immersed by the water, it will give flash and send alarm message to the alarm host.
*Excellent design, tiny and fashion. Low-consumption design, which can make it work long time.
*Ideal water intrusion warning for homes, apartments(kitchen, toilet), warehouses, offices, laboratory, hotel rooms, garages, etc.

Specifications:
Type: Water Level Alarm
Frequency: 433MHz
Emission protocol: 1527
Working Voltage: DC 12V
Battery Type: Alkaline battery (not included)
Standby Current: 5uA
Alarm Current: 10mA
Transmission Distance: 150m(in the open area)
Working environment temperature: -10?~60?
Operation humidity: <80> Item Size: Approx. 8.2 * 4.1 * 1.7cm (L*W*H)
Item Weight: Approx.44g / 1.55oz

Package Information:
Package Size: Approx. 12 * 7.5 * 2cm / 4.7 * 3 * 0.79in
Package Weight: Approx. 46g / 1.6oz

Package List:
1* Water Instruction Sensor
1* Mounting Sticker