Specifications:
Range of measurement: 50-80mm(Total) in 0.5mm steps
25-40mm(Each) in 0.5mm steps
Display: Liquid crystal digital display
Fixation target: Green dot on illuminated background
Focus range: 30cm to infinity
Illumination: LED
Automatical shut-off: after one minute of inactivity
Power supply: 4.5V DC, 3 AAA batteries
