Measure Rang                         0.05m~60m                       

Resolution                               0.001m

Accuracy                                ±1.5mm

Measure Speed                       0.5sec.

Laser Type                              635nm，Class2，<1mW

Beam Size                                25mm@30M

Battery                                     2×AA Batteries

Battery Life                              Up to 10，000 Measures

Dimension                                127mm×57mm×28mm

Operation Temperature             -5℃~40℃

Storage Temperature                 -20℃~60℃

Automatic switch-off（Without any key operation）:

-laser      30 seconds

-Device     180 seconds

AC Voltage          0.5V～600V
AC Current           0.3A～500A
Frequency            45Hz～400Hz
Display                  9999
Range Select          Auto
Active Power          3W～300kW
Apparent Power        3WA～245kWAr
Reactive Power        3WAr～120kWAr
Power Factor           0.3～1.0
Phase Angle            0°～360°
Active Energy          1～100kWh

Temperature Range         -30℃～275℃
Accuracy                       "±2℃(-30℃ to 0℃);±1℃(0℃ to 65℃);1.5% of rdg(≥65℃)" 
Distance Spot Ratio       1:1
Emissivity                       0.95
Resolution                      0.1℃ or 0.1℉
Response Time               500ms
Repeatability                   1% or 1℃ 
Data Hold                          √ 
Auto Power Off                  √
℃/℉                                 √

Display                        LCD
Range                     5～40%
Accuracy                     ±1%
Resolution                     1%
Back Light                       √
Low Battery Indication     √
Date Hold                        √

Digital display: 4 digits LCD.
Measuring level: 30~130 dBA， 30~130 dBC.
Resolution：0.1dB.
Accuracy: ±1.5 dB (under reference conditions) .
Frequency range: 31.5 Hz~ 8.5K Hz .
Linearity range: 50 dB .
Frequency weighting: A， C .
Bar graph: 50 dB scale at 1 dB step for monitoring
current sound pressure level display .
Level ranges：30-80 dB； 50-100 dB；
60-110 dB； 80-130 dB.
Time weighting: Fast / Slow .
Microphone: 1/2 inch Electret Condenser microphone .
Max: Maximum hold .
Power supply: 1*9V alkaline cells or DC 9V adapter < Power life: About 30 hrs >.
Self calibration time: 10 sec (every turn on) .
Dimensions: 220×67×32mm .
Weight: approx. 210g(including battery).