Connected Plant Sensor -2pcs Water Overflow Detector Ideal for Garden Gutter Waterproof Highlights Generic Brand 2pcs Water Overflow Detector Ideal for Garden Gutter Waterproof Description: Immersion monitoring, waterproof grade IP67. When the water level reaches 0.5mm, the water sensor gives an alarm and the phone APP receives a warning. Battery operated, powered by one CR2032 battery (included), standby time is up to 2 years. The battery can be replaced. No need to install, place on the floor, convenient to use. Ideal for gutter, garden, yard, balcony, kitchen, garage, basement, bathroom, workshop, etc. Specification: Material: Plastic Size: Approx. 52x52x16mm /2.04x2.04x0.63inch Power: CR2032 battery (Included) Quantity: 2 Package includes: 2 pcs water sensors