Weems & Plath Weems Storm Safety Whistle Weather Instruments The unit comes with a

The unit comes with a complete external sensor with 50' of wire and an AC adapter plug

6x magnification

Included in Box

It can be mounted with up to a 5 degree variance

Tide sector averages the lunar tide cycle for the Atlantic Ocean

Weems & Plath Weems Storm Safety Whistle Weather Instruments The unit comes with aWeems & Plath Weems Storm Safety Whistle The Storm Safety Whistle is the loudest whistle on the market. Its unique patented design allows it to be used even when wet, because the sounding chamber forces all water to be purged when the whistle is blown. The special frequency generated by the whistle brings attention to the user quickly. It can be attached to life jackets, scuba diver vests, or lifeguard lanyards. Features: Orange plastic with key ring