Function: 4 Model Pressure Color: Black/White Size: 30 * 6.5 cm/11.8" * 2.5" Insert Length: 21.5 cm/8.4" Net Weight: 365 g/0.8 lb/12.9 oz High Vacuum: < -55Kpa Pressure:-30kpa,-40kpa,-45kpa,-50kpa. Power: Lithium battery Material: ABS + Silicone Package:...