Color Light Blue Brand NO Model NO Quantity 1 Piece Material PCB English Manual / Spec No Other Features Brand new and high quality. This is a simple water sensor which can be used to detect soil moisture Dual output mode analog output is accurate. A fixed bolt hole for easy installation. With power indicator (red) and digital switching output indicator (green). LM393 comparator chip stable. Working voltage: 3.3V-5V; With fixed screw hole for easy installation. Widely used in garden household flowerpot etc. Great for Arduino DIY. Packing List 2 x Modules 1 x Dupont cable (15cm)