Feature: 1. Small power, mini size, safe, waterproof, energy saving, low temperature, easy to install. 2. Can switch on and off automatically with timer, no need for manual care, never mind. 3. Solenoid valve is not the bigger the better, but the lower heat generation, the more stable to use. 4. Made of high quality metal material, sturdy, durable and long service life. 5. Small size and lightweight, easy to carry and store, convenient to use. Specification: Condition: Brand New Item Type: Solenoid Valve Material: Metal Color: As Pictures Shown Purpose: Fish Tank Accessories, With Timer Automatic Switch On And Off Voltage: 100-240V Power: 50/60 hz Size:Approx.4.6x1.6x3.7cm/1.8x0.6x1.5in(Length x Width x Height) Package List: 1 x Solenoid Valve 1 x US Plug 1 x Screwdriver 1 x Transfer Cable or 1 x Solenoid Valve 1 x US Plug 1 x Screwdriver 1 x Transfer Cable 1 x Wrench Note: Product is just suitable for 4x6mm/0.2x0.2in high pressure resistant hard gas pipe, such as PU pipe, hose is not applicable.