Something Unique!!! Especially fantastic tool for US dollar bill check ! Globally unique to use laser matrix mapping effect check technology, plus traditional 940nm Infrared mapping check function. FEATURES:  1/ The body of the detector with 2.4″ built-in TFT display is only 100*52*48mm in size, and 1000mAh rechargeable Li-battery, which makes it very easy to carry and use. 2/ Built-in …