Specifications include, but are not limited to: The Illinois Department of Natural Resources is requesting quotes for six (6) White Seismology Mini Seis III Pro with Solar Panels, or equivalent. Seismographs will include computer software, field boxes, batteries and applicable maintenance. The use of brand name is to describe the standard of quality, performance and characteristics desired and is not intended to limit or restrict competition. “Or Equal” submissions will not be rejected because of minor differences in design, construction or features that do not affect the suitability of the product for its intended use. Burden of proof that the product is equal is on the bidder. Product must be new, unused and free from defects.