Number of holes: 300 holes Standard: G1 / 2, diameter: 2 cm Operating temperature: 080 Size approx. 80 mm (length) x 40 mm (width above) x 30 mm (width below) Package Contents: 1 * 300 hole super pressure shower head 1. TURB PRESSURE HANDBRUSH: Advance turbo pressure technology increases pressurized water speed up to 300% over typical tap pressure. For you to eliminate tiredness, with laser hole water or soft and tender, enjoy your shower experience. 2. LUV WATER SAVING: With the LUV power limit technology, our shower head saves up to 30% water consumption. In normal water pressure, through the needle hole and current limit technology, it will save you your more water. 3. SIMPLE AND DURABLE DESIGN: We use environmentally friendly ABS material for this product, shower nozzle body has multi-layer chrome-plated oxidation mirror, shine like a new permanent one. 4. EASY DIY INSTALLATION: This product can be installed manually. Simply connect the shower to your existing shower arm mount and then connect both ends of the hose.