Godox P90H 90cm Deep Parabolic Softbox Reflector Diffuser Studio Light Box (Black) Specification: 1. Name: Parabolic softbox 2. Model: P90H (High temperature version) 3. Working temperature: Less than 60 degrees celsius; 4. Material: Glass fiber 5. Diameter: 90 cm 6. Depth: 69.4 cm Installation method: 1. Open the soft box on the bottom plate and insert all 16 reel joints into the adapter ring symmetrically. 2. Install the reflective inner lining: Please stick the inner lining on the ring first, and then on the soft box. 3. Install the built-in speakers: Turn on the speakers and install them one by one on the buttons of the built-in softbox. 4. Install the external speaker: Turn on the speaker and evenly pass through the edge of the soft box. 5. Install the soft box on the light stand: Please insert the flash into the soft box first, and then install it on the light stand