5 in 1 Digital Multimeter EM-5510

3 3/4-digit LCD, with a max. reading of 3999
Overrange Indication: "OL" shown on the LCD
Negative Polarity Indication: "-" displayed automatically
Sampling Rate: 2~3 times/sec
Operating Temperature: 0C ~ 40C, less than 75%RH
Storage Temperature: -30C ~ 60C, less than 85%RH
Operating Altitude: 0 to 2000 meters
Battery: 9V, 6F22 or equivalent
Dimensions: 162 X 83 X 47mm
Weight: about 310g (including battery and the holster)