Material: Acrylic · Silicone · ABS Safety: Electric quick-release air valve  Noise Factor: Quiet Features: LED control panel Battery: Rechargeable Functions: 5 preset power settings Waterproof: No Best for: Improved size · Stamina · ED Lubricant type: Water-based only Max Insertable Length: 7.5 in. Cylinder Length: 8 in. Overall Width: 2.3 in.   Get a thicker and harder erection, without all of the effort or worry. The Powerhouse electric pump is a high-quality erection enlarger that does the heavy lifting for you,  Featuring a powerful motor with 5 easy-to-select speeds, all you have to do is slide in and select the power that suits your needs. Built for beginners but an excellent choice for any pumper, the Powerhouse packs all the essential features and safety protocols without the unnecessary frills.  When you pump with one of the 5 speeds, you will understand just how great the Powerhouse really is.  Just sit back, max out your size, and save your energy for when things get heated.