Specification Brand : Starbea BulletPoint1 : Designed for Seafrogs housing for Sony A7 II NG A7R III A7M3 A7R IV A7S III A7R V A9 II, for Canon 6D II 5D IV, EOSR EOS PR EOS R5 for Nikon Z6 II Z7II Case with Vacuum Pump System Design (More compatible models please check the description) BulletPoint2 : The vacuum pump system is used for checking the water tightness of underwater camera housing before submerging or using when diving / snorkeling above 40 meters BulletPoint3 : The complete electronic circuit and the battery are located in the robust anodized aluminum one-way valve body for even more convenient operation and ease of installation BulletPoint4 : VPS-100 features a calibrated pressure sensor and processor and the The green/red LEDs are visible through the transparent acrylic circular window BulletPoint5 : The installation is simple and straightforward, just screwing the detector into the accessory port, draw a vacuum on your housing and wait for few minutes, then you can check the water tightness immediately Color : Black CompatiblePhoneModels : for Zebra QLN220/220HC, QLN320/HC, ZQ500, ZQ510, ZQ520, ZQ521, ZQ610/HC, ZQ620/HC, ZR628, ZR638, BTRY-MPP-34MA1-01, BTRY-MPP-34MAHC1-01 ConnectivityTechnology : no FilterType : 滤芯 IncludedComponents : no ItemName : Sea Frogs Pre-Dive Vacuum Leak Check Device System, Vacuum Alarm Detection System, Underwater Vacuum Pump, Portable VPS-100 Waterproof Vacuum Pump System for Underwater Housing Case Sealing Testing ItemPackageQuantity : 1 ItemTypeKeyword : underwater-digital-cameras Manufacturer : Starbea ModelName : Underwater Vacuum ModelNumber : Underwater Vacuum NumberOfItems : 1 NumberOfLithiumIonCells : 1 PartNumber : 1 PowerSourceType : Battery Powered ProductDescription : Underwater Vacuum ProductSiteLaunchDate : 2024-07-25T07:28:02.278Z RecommendedUsesForProduct : indoor/outdoor Reusability : Rechargeable SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 SurfaceRecommendation : 层压材料 UnitCount : 1 Voltage : 7.4 volts WarrantyDescription : This product is backed by a 14-day money-back guarantee and a 12-month warranty