: The of the transformer is flat and can be used almost anywhere. Features: no minimum load; no transformer noise; no LED flickering Easy installation: connect the cable after you have interrupted the power supply. No soldering, wire nuts or exposed plugs, electrical connections are easy and safe. Easy to store: well-insulated PVC housing with constant voltage provides protection against Stable DC power supply: Built-in intelligent chipset, the electronic circuit board with overpressure, overcurrent, overload and short circuit protection. Colour:As Shown Material:Plastic Package Contents: 2 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.