Uxcell a13082300ux1431 2 Pcs Water Sensor Rainwater Module Rain Detection Module 3.3V-5V Product name : water sensor moisture sensor;Rating Voltage : 3.3V-5v Min. Current : 15mA;board Size : 5 x 4cm/0.2" x 0.16"(L*w),3.2 x 1.4cm/1.3" x 0.55"(L*w) Materials : fr-04 Net weight : 24G Package content : 2 x water sensor moisture sensor