The Dental Spa II Oral Irrigator promotes oral health for you and your family. It operates on water, ensuring convenience, hygiene, and quiet use. The device includes 5 color-coded spray nozzles to avoid mix-ups. Installation is straightforward; just connect it to your faucet or wall-mounted shower head using the provided adaptor. The bronze faucet diverter is crafted from quality bronze and measures 45x40x45mm. This product is CE and ROHS certified for safety and effectiveness. Assembly follows the included installation diagram. Set up the water separator on the faucet and lock one end of the PVC pipe. Connect the other end to the water supply and secure the lock nut. Choose your water connection setting, tighten it, and when the tap is open, the manifold valve handle will indicate readiness. To use, turn on the tap, place the nozzle in your mouth, and rinse your teeth sequentially while flushing the manifold and nozzle after each use. Remove and return the color-coded heads to their designated spots for sanitation. The Dental Spa II Oral Irrigator is battery-free, hygienic, and operates quietly. Each package contains a bronze faucet diverter (23x23x12mm), a medical-grade PVC hose (6x6x900mm), a handle (15x15x90mm), 5 nozzles (15x15x75mm) in red, yellow, blue, green, and purple, and an L frame (120x75x25mm). Key Features: - Water-powered (battery-free) - Convenient and hygienic - Quiet operation - 5 color-coded spray nozzles - Easy installation with adaptor - High-quality bronze diverter - CE and ROHS certified - Complete package with necessary components