Seafrog VP-100 Vacuum Pump Handle & Vacuum Alarm Alertor Detection System for Seafrogs Underwater Photography Diving Waterproof Camera Housing Case Cover Shell

Specification:Material: Aluminium Alloy+PlasticColor: As picture shownSize: VP-100 Vacuum Pump Handle: Approx. 60*29.4*128mm/2.23*1.16*5.04inVPS-100 Vacuum Alarm: Approx. 30.8*29.7*35mm/1.21*1.17*1.38in14 Interface: Approx. 29*29*20mm/1.14*1.14*0.79in16 Interface: Approx. 29*29*20mm/1.14*1.14*0.79inScrewdriver: Approx. Dia. 3.0mm/0.12inWaterproof Ring A: Approx. 20*1.5mm/0.79*0.06inWaterproof Ring B: Approx. 19*2mm/0.75*0.08inPacking List:1 * VP-100 Vacuum Pump Handle1 * VPS-100 Vacuum Alarm1 * 14mm Interface1 * 16mm Interface1 * Screwdriver1 * Waterproof Ring A1 * Waterproof Ring B1 * Manual

• The vacuum pump system is used for checking the water tightness of underwater camera housing before submerging
• 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
• VPS-100 features a calibrated pressure sensor and processor and the The green/red LEDs are visible through the transparent acrylic circular window
• 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
• For Sony A7 III A7R IV III A9, for Panasonic GH5, for Nikon Z6 II Z7II Camera hoursing with Vacuum Pump System Design (More compatible models please check the description)