คุณสมบัติของเครื่องมือวัดระยะ : Brand new and high quality. Laser sighted for accurate target aiming. Imperial (FT/IN) and metric reading switch option. Measure base: bottom of the unit. Auto shut-off: 60sec(approx). Temperature and low battery display. Measuring range: 0.5-18m (20inch-60feet). Battery: 6F22 9V. Wavelength: 650nm. Optimum operation temperature range: 0℃ to 8℃. Laster class: Class II, maximum power out ≤1mW. Accuracy: ±0.5% of reading. Auto shut off: 60 seconds after last key stroke. ***รับประกันสินค้า 3 เดือน