40' (12 m) anemometer cable

True 4 Zone

and LiFePO4 batteries

Air Flow 533 CFM

NOTE: All Sentry models include a control circuit switch for charging Flooded Lead-Acid

Davis - Automatic Mega-Light Floating Case 40' (12 m) anemometer cableThis waterproof light draws its approximately 1 Amp hour all night long @ 12 Volts. A Mega Light could run for over 700 hours continuously before discharging your 80 Amp hour house battery. Has a built in light sensor automatically switches light off & on. Has a dual al function lens: a fresnel lens to project light up to 2 nautical miles and a clear bottom lens to create area lighting. INCLUDES: 2 replaceable bulbs, one LED bulb for low current draw