Specifications include, but are not limited to: Texas Health and Human Services Commission is accepting bids for radio-logical transportation equipment for Department of State Health Service; Pancake Frisker with Dose Filter Model 26-1 Integrated, Lightweight Design Simplifies Frisking High-Impact Plastic with Water-Resistant Rubber Seals Employs Standard 15.51 cm2 GM Pancake Detector Displays in mR/hr, µSv/h, dpm, Bq, cpm, or cps Dead-Time Correction (DTC) Allows Gamma Measurements up to 1999 µSv/h (500 mR/hr) Simple Three-Button Operation Count Rate, Dose/Exposure, and Counting AlarmsAutomatic Display Backlight Bright Red Flashing ALARM LED Includes Wrist Strap, Dose Filter, Clear Pancake Cover & Ludlum Lanyard B. Travel & Storage Case Interior:15.2x23.4x33cm & (6x9.2x13 in), Exterior: 16.5x28.9x36.1cm, (6.5x11.4x14.2in) C. Plastic check source disc- part number 01-5196 µCi 137Cs 2.5 cm × 4.8 mm (1.0 × 0.125 in.