Not required., IP65 protection kit - NEXI-IP., 45° wall bracket (IP40/ IP65) - NEXI-WB45., 90° wall bracket (IP40/ IP65) - EL-BR1., Bricks wall recessed base (cut-out 277 x 100 mm) - NEXI-RB., False ceiling adapter (cut-out 272 x 95 mm) - NEXI-FC., Design frame NexiTech LED - NEXI-FR.