Sensor:	Halogen-quenched Geiger-Mueller detector with mica end window (LND712); detects alpha, beta, gamma, and x-radiation. End window density is 1.5-2.0 mg/cm2. Side wall is 0.12" #446 stainless steel.
Display:	4-digit liquid crystal display with mode indicators
Operating Range:	mR/hr: 0.001 to 110.00 CPM: 0 to 350,000 Total: 0 to 9,999,000 counts µSv/hr: .01 to 1100 CPS: 1 to 3,500
Temperature Range:	-20º to +50º C, -4º to +122º F
Energy Sensitivity:	1000 cpm/mR/hr referenced to Cs-137
Accuracy:	10% typical; 15% max
Alert:	User-adjustable alert level is set using three buttons
Count Light:	Red LED flashes with each count
Audio:	Beeper beeps with each radiation event; can be muted.
Outputs:	Dual miniature jack sends counts to computers, data loggers, several educational data collection systems, and other CMOS-compatible devices. Submini jack provides audio output to an external earpiece, amplifier, or tape recorder
Power:	One 9-volt alkaline battery
Size:	150 x 80 x 30 mm (5.9" x 3.2" x 1.2")
Weight:	225 grams (8 oz) with battery
Options:	European SI units (µSv/hr); computer cable and software (IBM PC compatible)