K-II EMF Meter - K2 Meter,K-II Enterprises" /> Easy to read LED Display - 50 & 60 Hz operation - 	Five level milliGauss ranges - For indoor and outdoor use - 	Durable plastic case - Operates for months on a single 9V battery Detects the ELF range (50 to 1,000Hz) VLF range (1,000 to 20,000Hz)