Toshiba Corp developed the "Portable Gamma Camera," which enables to easily find so-called "radiation hotspots." The company will have a field test of the camera in collaboration with Fukushima City (Fukushima Prefecture, Japan) within December 2011 and begin to promote its use to the central bureaucracy and local governments in Japan in early 2012. The camera measures 380 x 110 x 241mm and weighs 9.8kg. It is equipped with 128 semiconductor detection elements as radiation sensors. Its view angle is 60° . It can be powered by either an AC100V power source or batteries. When it is powered by batteries, it can be operated for three hours.