This modern and smart garden post with built-in LED lamp turns your garden into an attractive whole. Illuminate your garden with warm white light for long (summer) evenings or choose from 100+ color options to suit your mood. Experience a fully integrated smart system based on the Bluetooth Mesh protocol. Note: For this item you need the Calex Bluetooth Link. This Gardenpost has a diameter of Ø76mm and a height of 445mm. The height is adjustable as desired. Regardless of the size of your garden or the number of items installed, these products can all be connected and managed from the same free Calex app that you use for the existing Calex Smart products."