Are you struggling to make measurable progress in your personal growth journey in the bedroom? Frustration builds when traditional methods fail to deliver noticeable results. With our advanced automatic suction device, achieving your goals has never been easier. It offers four adjustable speeds and modes so you can customize every session to your specific needs. The digital pressure gauge gives you real-time feedback to keep you on track. Plus, the detachable cylinder ensures both hygiene and convenience, while the durable, body-safe materials offer peace of mind. Rechargeable and waterproof for shower use, this device turns challenges into triumphs. Measurements: Cylinder: 12.1 inches total length, 8.7 inches inner length, 2.4 inches inner diameter, 3.1 inches outer diameter Silicone sleeve: 1.2 inches opening diameter (unstretched) Materials: Cylinder: Plastic Sleeve: Silicone Color: Black, clear Note: Use only with water-based lubricants for best results.