KIT-1553DBAT Box+PCB, Grey Handheld Soft Sided Plastic Box with Batt. Compartment, with PR1553DBAT PCB, Box = 5.8 x 3.5 x 1.0 in Box is gray ABS plastic with soft dark-gray side panels, secured with self tapping screws (included) and a battery compartment for 2xAA or 1x9V (battery clips included). Box Size 5.8 x 3.5 x 1.0 inches (147 x 89 x 26 mm) Single-sided high-quality FR4 glass-epoxy circuit board, 1oz/ft2 copper with an anti-tarnish coating for easy soldering. Lead free and RoHS compatible. 0.042" holes are drilled on 0.1" (2.54mm) centers. 6 mounting holes. Screws provided. PCB Size 2.850 x 4.175 in. (72 x 106mm)