3 HDMI Type-A ports. Easily switch between two HDMI video sources to one HDMI display Easily switch a single HDMI video source between two displays (not simultaneously) Supports 4k x 2k, 3D, 1080P resolution Package include: 1 x Soil Moisture/Light/pH Tester Manual select push button to alternate between modes Dual LEDs to display status No power source needed; plug and play functionality Maximum operating current: 15mA