Product Technical Specifications Based on the data shown on the package in the image: Model: BPT25GD-A. Size: 10 inches (equivalent to approximately a 25x25 cm installation opening or a 30x30 cm outer frame). Voltage: 220-240V and frequency 50/60Hz. Power: 35W. Color: White. Country of Manufacture: China. Size 25*25 for 85﷼ Size 30*30 for 95﷼