*SHIPS WITHIN 1 - 2 WORKING DAYS DOUBLE BATTERY LIFE - The Wasserstein Battery Extension Pack allows you to use 4 x AA Alkaline batteries with your Blink camera which provides 100% more battery life compared to 2 x AA batteries FEWER BATTERY SWAPS - As Blink uses non-rechargeable AA batteries, this battery pack extension doubles the operating time of your security camera and halves the frequency of battery replacement EASY INSTALLATION - Simply insert 4 x AA batteries into the dedicated compartment of the Battery Extension Packs and attach it to your Blink Outdoor Camera 4th Gen. (Batteries NOT Included) WEATHERPROOF DESIGN - Constructed with a durable and rugged materials, the battery extension packs are built to withstand the elements, making it ideal for outdoor use FLEXIBLE PLACEMENT OPTIONS - With the Wasserstein Battery Extension Pack, enjoy the flexibility to place your Blink Outdoor Camera 4 anywhere you need it without compromising on convenience or security