No need for a switchboard Easy and safe installation (Low voltage device) Protected against short circuit Double temperature safety feature Control up to 200 lights Show output as W or % Auto shutdown at temperature setting APP smart control of LED grow light Functions: Set output level from 0% to 100% Sunrise / Sunset timing setup Temperature and Humidity Sensors with solid cable connection or BT communication APP operation on the phone to master controller via BT Plug Type: EU Plug, it applies to Indonesia, Germany, France, Spain, Italy and so on. Voltage: AC100-240V Color: As Shown Material: plastic Package Contents: 1*Grow Light Controller Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.