Take your confidence to the next level with the Advanced Power Up Rechargeable Automatic Penis Pump. Choose from three levels of automatic suction to find the intensity that suits you best. Its clear, medical-grade plastic cylinder features measurement markers so you can watch and monitor your progress. Designed to be manually controlled with ease, the external mechanical pump lets you choose from 3 different automatic suction modes, transforming your experience into a pleasure-packed pump session! A high-quality silicone sleeve provides an airtight fit thats body-safe and latex-free. Feel secure knowing a quick-release button is there to relieve pressure instantly if necessary. The pump is also USB rechargeable, offering convenient power between sessions for long-lasting functionality. Key Features:Automatic Suction: Experience 3 speeds of powerful, automatic suction! Use the external power handle to control intensity.Graduated Cylinder: Measure your gains in real time as you watch yourself get pumped through the clear, medical-grade plastic cylinder.Silicone Sleeve: Create an air-tight seal with premium quality, latex-free, body-safe silicone.Quick-Release Button: Gone a little beyond your capacity? Quickly release pressure with the push of a button and all air will be released immediately.Rechargeable: Use the USB cable to recharge between uses.Measurements:Cylinder: 9.5 inches total length, 8.8 inches inner length, 2.3 inches inner diameter, 2.6 inches outer diameterSilicone sleeve: 0.8 inches opening diameter (unstretched)Hose: 8.5 inches total lengthPump: 7.5 inches Length x 1.8 inches Width x 1.9 inches DepthMaterials:Cylinder: SAN plasticSleeve: SiliconePump: PlasticTubing: PlasticColor: Black, clear