This part is a kind of semiconductor called SEN92355P.
Function of this product has Moisture Sensor.
Manufacturers : SEED TECHNOLOGY
Image and pinout :

Some of the text within the PDF file :
Комплектующие для робототехники Роботы для сборки Собрать робота своими руками www.domko.ru www.electronshik.ru SEED TECHNOLOGY INC (SEEEDUINO) Grove - Moisture Sensor Model: SEN92355P Introduction This Moisture Sensor can be used to detect the moisture of soil or judge if there is water around the sensor, let the plants in your garden reach out for human help. They can be very to use, just insert it into the soil and then read it. with help of this sensor, it will be realizable to make the plant remind you : hey, i am thirsty now, please give me some water. Model: SEN92355P Features • • • Easy to Use 2.0cmX6.0cm grove module feature3 Specification Item Voltage Current Min 3.3 0 Typical / / Max 5 35 Unit V [ ... ]
SEN92355P PDF Datasheet Download
