Specifications include, but are not limited to: Quantity of 25 Ludlum Brand Model 26-3 Radiation Detection Friskers. Cable-less gamma measurement detectors used for the purpose of frisking people and objects. Brand Name or Equivalent. Instrument specifications to include: Instruments are to be made with high-impact plastic and have water-resistant rubber seals; 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 (1000 mR/hr); Simple Operation - Three-buttons or less; Have a Count Rate, Dose/Exposure Rate, and Counting; Alarms; Automatic Display Backlight; Bright Red Flashing ALARM LED; Instruments to include: Wrist Strap, Clear Pancake Cover, and Lanyard