Mask:----Window Style1 FrontMask MaterialsSkirt; 55-60 Shore A Liquid Silicone, Frame; Glass Filled Nylon, Hardware; Stainless SteelLens MaterialPolycarbonateHead Strap Design5-Point SpiderRegulator CompatibilityOTS OnlyRegulator:----2'nd Stage TypeBalanced Downstream Demand ValveRegulator MaterialsHousing: Glass Filled NylonHose Thread3/8"Hose Length32" (81.3 cm)Communications:----Through-Water TransmissionYesMicroTypeME-16R Hot-Mic (Dynamic) or Super Mic (Standard) (Ceramic)Push-to-Talk (Through-Water)YesRange (Feet/Meters)165' to 1640.4' (50 to 500 meters)Transmission TypeUltrasound: Using Upper Single Sideband (USB)Transmission Output Power0.5 WattsStandard Frequency (PEP)Recall & Tone: Frequency A (Channel 1) 32.768 kHz USB, Frequency B (Channel 4) 31.250 kHzAudio Bandwidth300 To 3,000 HzAuto Gain ControlGreater than 80 dBEarTypeCeramicTransducerCeramic CylinderBattery Type9 Volt Alkaery (Not Included)Operational Depth130' (30 meters)Bag:----Bag Material420-Ballistic Nylon, Mesh, Polypro Webbing, Plastic, Rubber Closed FoamClosureZippers w/Pull-TabsHandlesTop Grab/Shoulder Strap
