Main Features:
- Adopted with semiconductor laser to measuring illuminant, long irradiation distance and concentrated light, the distance is up to 0.2m
- High anti-interference capability, less influence by fluorescent lamp and sunlight
- Small supply current to prolong working time

Specification:
Screen: 0.4 inch LCD screen
Measuring range: 1 - 99999RPM
Sampling time: 1s
Memory function: max. / min. / last
Effective range: 1000mm and above
Battery: 4pcs 1.5V AA battery ( not included ) 0.475 Package weight: 0.526 kg
Product Size(L x W x H): 20.00 x 8.00 x 3.00 cm / 7.87 x 3.15 x 1.18 inches
Package Size(L x W x H): 26.00 x 13.00 x 8.00 cm / 10.24 x 5.12 x 3.15 inches Package Contents: 1 x Tachometer