Use And Care Manual
©2018 Johnson Level & Tool - Rev. 1 15
10. Technical Specifications
Laser Wavelength 635 nm (40-6643 & 40-6646)
Laser Wavelength 520 nm (40-6641)
Laser Classification II
Maximum Power Output ≤1mW
Self-Leveling Range ±5°
Laser Accuracy
±1/8″/ 30
′
Measuring Range 0′ - 100′
Power Supply 2 “AA” alkaline batteries (included)
Battery Life* 36 hours/20 hours (40-6643 & 40-6646)
18 hours/9 hours (40-6641)
Operating
Temperature Range 32°F - 104°F
Storage
Temperature Range 0°F - 120°F
Dimensions 3.5
″
x 4.5
″
x 2.75
″
Weight 0.60 lbs
Tripod Thread 1/4″ – 20
IP Rating IP 50
* Battery life reported with all beams enabled, as tested with lithium
AA/Alkaline AA.
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