|Wave Length||650nm ± 10nm|
|Operating Temperature||0℃ ~ 60℃|
|Storage Temperature||-20℃ ~ +70℃|
|Power Supply||2 x AA Batteries(Included)|
|Weight||6.1 oz / 173g|
|Dimensions||(6.89 x 1.02 x 1.02)" / (17.5 x 2.6 x 2.6)cm (L x W x H) Step 1: Open the dust cover, unscrew the red pen metal head. Step 2: Remove the broken ceramic casing, and clean up debris and dust (be careful not to damage the core surface). Then tighten the metal head.|
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