Specifications :
-Effective range of measurement: 45- 82mm (both eyes), 22.5-41mm(each eye).
-Accuracy self-check function.
-Graduation: 0.5mm.
-The design of LED lamp-house and low power-consumption makes the battery life prolonged.
-Automatic shut-off after 1 min. after stopping operation.
-The brightness of LED is adjustable.
-Distance target : 30cm à l’infinI.
-Power source: 2 batteries AA.
