Q&A – Installation and Compatibility. Q: What size is the T-adapter (tee valve)? A: It uses a standard 3/8 compression fitting, compatible with most U. Toilet water supply lines. Q: What size is the water hose? A: The included bidet hose is also 3/8 compression size, matching the T-adapter and shut-off valve. Q: How do I remove or install the mounting plate? A: The mounting plate is pre-installed on the seat. Press the button on the left side to slide the seat off, then secure the plate to your toilet before reinstalling the seat. Q: How long is the power cord? A: The power cord is approximately 1 meter (3.3 feet) long. Q: What toilet shape does this seat fit? A: This model is designed for elongated toilets (overall length about 18-19 inches). A: The bidet seat operates at 1300 watts. Use an extension cord or power strip rated for at least 1300 W (15 A, 120 V) for safe operation. This smart bidet toilet seat is manufactured by Zhongshan Meitu Plastic Co. The product comes with complete accessories, including a remote control, power cable, installation kit, and instruction manual. This model features a heated seat, front and rear wash, adjustable water temperature and pressure, oscillating and pulsating cleaning, self-cleaning nozzle, warm air dryer, and night light for comfortable use. The soft-close lid and seating sensor ensure quiet and safe operation. Packaging is fully intact and well-protected, ready for quick and easy installation. Ideal for home upgrades or replacement of standard toilet seats with a modern, hygienic, and comfortable smart option.