Quality, Value, Experience from Trusted UK Seller Turnable and tiltable low-voltage recessed fitting from the HORN series. The lamp is installed set to the rear in this luminaire which is made out of steel. This design gives it a special appearance. The electrical connection is made via a separately available transformer providing 12V alternating current. Single-headed and high-voltage versions of this series are available. This luminaire is suitable for lamps of energy classes: C - A+