There are very few bullet cameras these days that can't be called weatherproof bullet security cameras. In fact, all of the bullet cameras that we offer for sale at Security Camera King are weatherproof. That is one of the benefits of owning a bullet security camera.
An outdoor wireless security systems alarm is usually some sort of motion detector sensor(s) that when actuated initiates some sort of audible or silent signal. There are several variations on this theme, including digital video camera systems that can function as an outdoor wireless security systems alarm. However, the purpose of any of these variations is the same; alert the user when a defined boundary or perimeter has some sort of motion-detectable activity and do it by using sensors that do not require wired connections.